The Complete Guide to Freeing Up Storage and Digital Cleanup (2026)

This guide brings together and replaces our early-2025 series of quick tips on freeing up storage and cleaning up your digital life, rewritten and expanded in October 2026 with current steps for iPhone, Android, Windows and Mac.

A "Storage almost full" warning rarely arrives at a good moment. It shows up when you are trying to record a video, install an update or save a file, and it often comes with a phone or laptop that suddenly feels slow. The usual reaction is to assume the device is worn out or that you need to pay for more cloud space. Very often, neither is true. Every major platform now ships with free tools that show exactly where your space went, clear out the junk automatically and tell you whether the battery is actually failing.

The numbers explain why it is worth a little effort. Google's free 15 GB is shared across Gmail, Google Drive and Google Photos, so a cluttered inbox can stop your photo backups. Apple says batteries in the iPhone 15 and later are designed to keep 80 percent of their original capacity at 1,000 complete charge cycles, which means many phones that feel tired are simply full or poorly configured. This guide walks through each cleanup task in a sensible order, starting with diagnosis and ending with a once-a-year routine you can repeat.

In this guide

• Check battery and storage reports before you buy a new device
• Turn on automatic cleanup so space frees itself
• Deep-clean your computer with built-in tools
• Find and merge duplicate photos
• Make the free cloud tiers go further
• Delete old, forgotten accounts
• Do a yearly digital spring cleaning
• Quick-start checklist
• FAQ

Here is where the main storage and cleanup settings live on each platform. Keep it handy as you work through the sections below.

Task	iPhone	Android	Windows 11	Mac
See what is using space	Settings > General > iPhone Storage	Settings > Storage (Pixel); Settings > Device care > Storage (Samsung)	Settings > System > Storage	Apple menu > System Settings > General > Storage
Turn on automatic cleanup	Enable "Offload Unused Apps" from the iPhone Storage recommendations	Smart Storage (Pixel: Storage > Free up space > menu > Settings); Play Store auto-archive	Storage Sense (System > Storage > Storage Sense)	"Empty Trash automatically" and "Optimize Storage" in Storage
One-off deep clean	Review each recommendation and the per-app list	Files by Google > Clean	Cleanup recommendations, or the Disk Cleanup tool	Categories by file type, Documents > large files
Find duplicate photos	Photos > Collections > Utilities > Duplicates	Files by Google > Clean > Duplicate files	A free open-source finder such as Czkawka	Photos sidebar > Utilities > Duplicates
Check battery health	Settings > Battery > Battery Health	Pixel 8a and later: Settings > Battery > Battery health; Samsung: Device care or Samsung Members	powercfg /batteryreport	System Information > Power (cycle count)

Menu names vary by device maker and software version. If a path does not match your screen, type the setting name into the search box at the top of Settings.

Check battery and storage reports before you buy a new device

When a phone starts dying by mid-afternoon or stuttering when you open the camera, the obvious conclusion is that it is time for a new one. Before you spend that money, spend five minutes with the diagnostics your phone already keeps. They separate two very different problems: a battery that has physically worn down, which is usually a repair, and a phone that is full or running something greedy in the background, which you can fix yourself for free.

iPhone

1. Open Settings and tap Battery. The usage chart shows which apps used the most power over the last 24 hours or 10 days. An app you barely open that sits near the top is a good candidate to restrict or delete.
2. Tap Battery Health (on the iPhone 11 through 14 it is called Battery Health & Charging). Look at Maximum Capacity. On the iPhone 15 and later, the same screen also shows the cycle count.
3. Go back and open Settings > General > iPhone Storage. The colored bar shows how space splits between apps, photos, messages and system data.

Apple says the iPhone 14 and earlier are designed to keep 80 percent of original capacity at 500 complete charge cycles, and the iPhone 15 and later at 1,000 cycles. If your maximum capacity has dropped below about 80 percent, a battery replacement will likely make the phone feel new again for far less than a new device costs. If capacity is fine, the fix is almost always in the software and storage steps that follow.

Android

1. Open Settings > Battery and look for the battery usage screen, which lists apps by power use since the last full charge.
2. On a Google Pixel 8a or later, tap Battery > Battery health. Google shows a status of "Normal" or "Reduced". "Reduced" means capacity has fallen below 80 percent of the original, and Google suggests considering a replacement. Tap Battery capacity for an estimated percentage.
3. On a Samsung Galaxy, open Settings > Device care and tap Battery for usage, or run Diagnostics > Phone diagnostics from Device care or the Samsung Members app to test the battery and other hardware.
4. Open Settings > Storage to see space by category.

Windows laptops and Macs

On a Windows laptop, open Terminal or Command Prompt and run powercfg /batteryreport. Windows saves an HTML report and shows you where. Compare "Design capacity" with "Full charge capacity" to see how much the battery has faded. On a Mac laptop, hold the Option key, click the Apple menu, choose System Information, then select Power under Hardware to see the cycle count. Apple publishes the maximum cycle count for each model.

Reading the results

• Healthy battery, full storage: clean up. Phones and computers slow down when there is no room for temporary files and updates.
• Healthy battery, one app draining power: update, restrict or remove that app.
• Battery below about 80 percent: price a battery replacement from the manufacturer or an authorized shop before shopping for a new device.
• No more security updates: this is the one case where replacement is usually the right call, regardless of battery health.

Common pitfall: a large "System Data" figure on iPhone, or "System" on Android, often shrinks after a restart and after clearing big caches inside apps such as streaming music or messaging apps. Try that before you consider a reset.

Turn on automatic cleanup so space frees itself

Most clutter builds up slowly: installers left in Downloads, files sitting in the Trash, apps you used once on a trip. The best fix is to switch on the cleanup features that run on a schedule, so you never have to remember. Each takes a minute or two to set up.

iPhone: Offload Unused Apps

1. Open Settings > General > iPhone Storage.
2. Under the recommendations, find Offload Unused Apps and tap Enable. Tap Show All if you do not see it.

Offloading removes the app itself but keeps its documents and data. The icon stays on your Home Screen, and tapping it reinstalls the app from the App Store with everything where you left it. You can also offload a single app by tapping it in the iPhone Storage list and choosing Offload App. If you want to turn the automatic setting back off later, type "Offload" into the Settings search field.

Android: Smart Storage and app archiving

1. On a Pixel, open Settings > Storage > Free up space, tap the menu icon, tap Settings and turn on Smart Storage. When storage is nearly full, it removes local copies of photos and videos that are already backed up.
2. In the Google Play Store, tap your profile picture, open Settings > General and turn on Automatically archive apps. When space runs low, rarely used apps are archived: the app is removed but its data and icon stay, and one tap brings it back.
3. To protect a specific app from being archived, open Settings > Apps, choose the app, and turn off Manage app if unused.

Samsung and other makers include similar options under Device care or Storage. Search Settings for "storage" if the names differ.

Windows 11: Storage Sense

1. Open Start > Settings > System > Storage and turn on Storage Sense. Microsoft notes it is off by default.
2. Click Storage Sense to set the schedule under Run Storage Sense.
3. Choose how long files can sit in the Recycle Bin before deletion, and how long unopened files can stay in your Downloads folder.
4. If you use OneDrive, you can let files that have not been opened for a while become online-only. They stay in OneDrive and download again when you open them. Files marked "Always keep on this device" are left alone.

Storage Sense only manages the system drive, usually C:, and it runs only when you are signed in and online.

Mac: Empty Trash automatically

1. Choose Apple menu > System Settings, click General, then Storage.
2. Turn on Empty Trash automatically, which removes items that have been in the Trash for more than 30 days.
3. Consider Optimize Storage, which removes movies and TV shows you have already watched, and Store in iCloud if you have iCloud space to spare.

Common pitfall: the Downloads cleanup in Storage Sense deletes files you have not opened, not files you do not want. If you use Downloads as a permanent filing spot, move those files to Documents first, or leave that option set to "Never".

Deep-clean your computer with built-in tools

Automatic cleanup handles the everyday trickle. Once in a while, especially on a computer that has been through several big updates, a manual deep clean recovers far more. Skip the "PC booster" apps that promise dramatic speed gains: the built-in tools know which system files are safe to remove, and they cost nothing.

Windows 11: Cleanup recommendations

1. Open Start > Settings > System > Storage > Cleanup recommendations.
2. Review each group: Temporary files, Large or unused files, Files synced to the cloud and Unused apps. Windows shows how much each item will free.
3. Tick only what you recognize and select Clean up for each section.

Windows: the classic Disk Cleanup tool

1. Type "disk cleanup" in the taskbar search and open it. Choose the C: drive.
2. Thumbnails, temporary internet files and downloaded program files are safe to remove. Windows rebuilds thumbnails when needed.
3. Select Clean up system files and approve the prompt. This adds system categories such as Windows Update Cleanup, which can hold several gigabytes of leftover update files.
4. Select OK, then Delete files.

Be careful with one item. Microsoft warns that deleting the previous Windows installation removes the Windows.old folder for good, and you will not be able to go back to that version. Only remove it once you are sure the latest upgrade is working well.

Mac: Storage settings

1. Open Apple menu > System Settings > General > Storage and wait for the bar chart to finish calculating.
2. Under the list of categories by file type, click the Info button next to Documents. Use the large files and downloads views to spot big items, and sort by size or last accessed.
3. Select anything you no longer need and click Delete, or Show in Finder to check it first.
4. Check the Applications category for apps you no longer use, along with any large libraries from music or video projects.

The "macOS" and "System Data" categories cannot be cleaned directly from this screen. They usually shrink on their own after a restart and after you remove big caches or old iPhone backups.

Browser caches

Browsers keep copies of images and scripts from sites you visit. Clearing the cache is separate from the tools above. In Chrome, Edge or Firefox, press Ctrl+Shift+Delete (Cmd+Shift+Delete on a Mac) to open the browsing-data dialog, choose a time range and tick only Cached images and files. Leave saved passwords and cookies alone unless you want to sign in to everything again.

Common pitfall: clearing caches repeatedly does not make a computer faster. Pages simply reload the files. Do it when you need space or when a site is misbehaving, not as a weekly ritual.

Find and merge duplicate photos

Photo libraries collect duplicates quietly: the same picture saved from a chat, an edited copy, a burst of nearly identical shots, or an import from an old phone. Built-in tools now find most of these for you, and they merge rather than simply delete, so you keep the best version.

iPhone

1. Open Photos, scroll to Collections and find Duplicates under Utilities.
2. Tap Merge next to a group and confirm. To handle several at once, tap Select, pick groups, then tap Merge.

Photos keeps the highest-quality version and combines details such as captions. If the album is missing, Photos may still be scanning your library: leave the phone locked and charging overnight. Removed copies go to Recently Deleted, and with iCloud Photos the change applies to all your devices.

Mac

1. Open Photos and click Duplicates under Utilities in the sidebar.
2. Select the items to merge, or press Command-A to select all, then click Merge and confirm.

Apple says one original stays in your library, and the extras move to Recently Deleted, where you can recover them for 30 days.

Android

1. Open Files by Google, open the menu and tap Clean.
2. On the Duplicate files card, tap Select files.
3. Pick the copies to remove and tap Move to Bin. Google marks one file with an "Original" badge and recommends keeping it.

Windows

Windows has no built-in duplicate finder. A well-known free, open-source option is Czkawka, whose main desktop app is now called Krokiet. It is actively maintained, runs on Windows, Mac and Linux, and can find both identical files and visually similar images. Download it only from the project's official GitHub page. The older dupeGuru still works for many people, but it has not had a new release since 2022.

Common pitfalls:

• Merge in small batches first, so you can see what the tool treats as a duplicate.
• Do not run a desktop duplicate finder directly on a cloud-synced photo folder while it is syncing. Pause sync or work on a local copy.
• Empty Recently Deleted or the Bin only after you have checked the results, since that is the step that actually frees the space.

Make the free cloud tiers go further

Every big platform gives you some free cloud space, and every one of them would like you to upgrade. You may need to eventually, but many people pay for space that is filled with old email attachments, abandoned backups and blurry videos. Start by knowing what each free tier includes and what counts against it.

Free cloud storage on a basic account (GB)

Google (Gmail, Drive, Photos)

15 GB

Microsoft (OneDrive, Outlook attachments)

5 GB

Apple iCloud

5 GB

Dropbox Basic

2 GB

Sources: Google One Help, Microsoft Support storage FAQ, Apple Support, Dropbox Help Center (checked October 2026). Outlook.com mail also has a separate 15 GB mailbox allowance.

Google: 15 GB shared across Gmail, Drive and Photos

Google's free storage is one pool. Gmail messages and attachments, including Spam and Trash, Drive files, Google Photos backups and Android device backups all draw from it. Since June 2021, every photo you back up counts toward the limit. If you go over, Google stops new uploads and backups and may affect sending and receiving email. Google also says that if you stay over the limit for two years or more, your content may be removed, after notice.

1. Visit the Google One storage manager at one.google.com/storage/management to see what is using space and clear large items.
2. In Gmail, search for has:attachment larger:10M to find heavy messages, or add older_than:2y to focus on old ones. Delete what you do not need, then empty Trash.
3. In Google Photos, review large videos and screenshots first. They are usually the biggest wins.

Apple iCloud: 5 GB

iCloud's 5 GB fills fast because device backups, iCloud Photos, Messages and Mail all share it.

1. On iPhone, open Settings, tap your name, then iCloud. Check Recommended for You and open Storage (or Manage Account Storage).
2. Under Backups, delete backups for devices you no longer own, and turn off backup for apps whose data you do not need.
3. Delete large message attachments: open a conversation, tap the contact's name, then review its photos and files.

Apple reminds you that deleting a photo in iCloud Photos removes it from every device signed in to the same account, so download anything you want to keep first.

Microsoft: 5 GB

A free Microsoft account gets 5 GB of cloud storage shared between OneDrive files and photos, Outlook.com attachments and Microsoft 365 apps. The OneDrive Recycle Bin counts too. Outlook.com email has its own separate 15 GB mailbox allowance, but attachments count against both. Check your usage on the OneDrive manage storage page, then empty the OneDrive Recycle Bin and clear big attachments.

Dropbox Basic: 2 GB

Dropbox's free plan offers 2 GB, which works best for sharing a few active files rather than long-term storage.

A sensible split

• Use the cloud that matches your phone for photos, since its backup is the most seamless.
• Keep documents where you edit them: Google Drive for Google Docs, OneDrive for Word and PowerPoint.
• Keep a local copy of everything important on a computer or external drive. Free cloud storage is convenient, not a backup strategy on its own.

Common pitfall: deleting files does not free space until you empty the Trash or Recycle Bin in that service. Gmail, Google Drive, Google Photos, iCloud Photos and OneDrive all have one.

Delete old, forgotten accounts

Old accounts do not take up space on your phone, but they are a different kind of clutter. A forgotten shopping site or forum account may still hold your name, email address, birthday, address or even a saved card. If that service is breached, or if you reused a password there, the damage can reach accounts you still care about. Closing what you no longer use shrinks that risk.

Step 1: build your list

• Your password manager. On iPhone and Mac, open the Passwords app (iOS 18 and later) and scroll through All. On Android or in Chrome, visit passwords.google.com. Each saved login is an account you created.
• Sign in with Google. Visit myaccount.google.com/linkedapps to see apps and sites you signed in to with Google.
• Sign in with Apple. On iPhone, open Settings, tap your name and find Sign in with Apple.
• Your inbox. Search for words like "welcome", "verify your email" or "your account" to surface sign-ups you forgot.
• Breach check. Enter your email address at haveibeenpwned.com, a free and long-running service that lists known breaches containing your address.

Step 2: find the deletion page

JustDeleteMe (justdeleteme.xyz) is a free directory of direct links to account deletion pages. Each entry is rated by difficulty: easy, medium, hard (usually meaning you must contact support) or impossible (the service only lets you deactivate). It saves a lot of hunting through help pages.

Step 3: close accounts safely

1. Sign in. If you have forgotten the password, use the site's own reset link.
2. Download anything you want to keep, such as photos or order history.
3. Cancel any subscription and remove saved payment cards first.
4. Request deletion. Many services hold the account for a waiting period before it is erased, so note the date.
5. Remove the login from your password manager once deletion is confirmed.

Step 4: clean up the connections you keep

For apps you no longer use but cannot delete, at least cut the link. On the Google linked apps page, choose the app, select See details, then Stop using Sign in with Google. Google notes that this stops automatic sign-in but does not delete your data in that app. In the Sign in with Apple list on iPhone, select an app and tap Delete to stop using it. While you are in your password manager, run its security check (the Security section in Apple's Passwords app, or Checkup in Google Password Manager) and change any reused or compromised passwords on the accounts you keep.

Worth knowing: Google may delete personal Google accounts that have not been used for two years, after sending warnings to the account and any recovery email. If you have an old Gmail address you still want, sign in to it once in a while.

Do a yearly digital spring cleaning

Automatic tools handle the routine mess, but a once-a-year review catches what they miss. Pick a date, such as the start of spring or the week after a new phone OS arrives, and work through the list below. Everything uses free, built-in tools.

Phones

• Apps: on iPhone, go to Settings > General > iPhone Storage and delete or offload anything you have not opened in months. On Android, use Settings > Storage or the unused apps list in Settings > Apps.
• Messages: on iPhone, search Settings for "Keep Messages" and choose 1 Year instead of Forever if you do not need old threads. Delete large videos from busy group chats.
• Photos: merge duplicates, delete screenshots you no longer need, and empty Recently Deleted.
• Android junk: open Files by Google > Clean and clear the junk files card. Google warns that files cleared there are deleted permanently, so review before you tap.
• Backed-up photos: in Google Photos on Android, tap your profile picture and choose Free up space on this device to remove local copies that are already safely backed up. Check that backup is complete first.

Computers

• Run Cleanup recommendations on Windows or review the Storage categories on Mac.
• Empty the Downloads folder by hand. Move anything worth keeping into a proper folder.
• Uninstall apps and games you no longer use.
• Make sure Storage Sense or Empty Trash automatically is still switched on, since updates and resets can change settings.

Cloud and accounts

• Check each cloud storage meter and clear the largest items and old backups.
• Delete a handful of forgotten accounts using the steps above.
• Run your password manager's security check and fix the worst issues first.
• Confirm your important files exist in two places, such as the cloud plus a computer or external drive.

Common pitfall: trying to do everything in one sitting usually means giving up halfway. Split it across a weekend, with phones on one day and computers and accounts on the next.

Quick-start checklist

If you only have a weekend, do these in order. The first few take minutes and keep paying off without any further effort.

Task	Time needed	Impact
Check battery health and storage before buying a new device	5 minutes	High: can save the cost of an upgrade
Turn on Storage Sense, Smart Storage or Offload Unused Apps	5 minutes	High: keeps working every week without you
Run a one-off deep clean on your computer	15 minutes	High on older PCs with update leftovers
Merge duplicate photos	15 to 30 minutes	Medium to high, depending on library size
Clear large Gmail attachments and old backups	20 minutes	High if you are near a free cloud limit
Delete three to five forgotten accounts	30 minutes	High for privacy and security, low for space
Set a yearly reminder for the full routine	1 minute	Keeps the gains from slipping

1. Check battery health on your phone and laptop so you know whether you have a hardware problem or a storage problem.
2. Turn on Offload Unused Apps, Smart Storage or app auto-archiving, Storage Sense and Empty Trash automatically.
3. Run Cleanup recommendations on Windows or review Storage on Mac, and remove update leftovers you no longer need.
4. Merge duplicate photos, then empty Recently Deleted or the Bin.
5. Clear large attachments and old device backups from your free cloud accounts.
6. Delete three to five old accounts you found in your password manager.
7. Add a calendar reminder for next year's spring cleaning.

FAQ

Is it safe to let my phone offload or archive apps automatically?

Yes, for most people. Offloading on iPhone and archiving on Android remove the app but keep its data, and the icon stays so you can restore it with a tap. The main catch is that you need an internet connection to bring the app back, so exempt anything you rely on while offline.

Will Storage Sense delete my important files?

It only deletes temporary files, old Recycle Bin items and, if you turn that option on, files in Downloads that you have not opened for the period you choose. OneDrive files that become online-only are not deleted. If you keep important files in Downloads, move them or set that option to never.

Do I need a paid cleaner app?

No. The built-in tools in Windows, macOS, iOS and Android handle temporary files, caches, unused apps and duplicates. Paid "booster" apps often repeat what these tools do, and some add ads or unwanted software. A free open-source duplicate finder is the only extra tool most Windows users need.

When does it make sense to pay for cloud storage?

Once you have cleared old attachments, backups and duplicates and you are still near the limit, a small plan is reasonable, especially if your photos are your only copy of family memories. Choose the plan from the service you already use for photo backup.

Does deleting an account erase all my data?

It should remove the account, but companies may keep some records for legal or business reasons, and some services only allow deactivation. Download what you want first, and check the service's privacy policy if you need to know exactly what is kept.

Sources

• Apple Support: About the battery and performance of iPhone 11 and later
• Apple Support: How to check the storage on your iPhone and iPad
• Apple Support: Change storage settings on Mac
• Apple Support: Determine battery cycle count for Mac laptops
• Apple Support: Find and merge duplicate photos and videos in Photos on Mac
• Apple Support: Manage your iCloud storage
• Apple Support: Manage your apps with Sign in with Apple
• Microsoft Support: Free up drive space in Windows
• Microsoft Support: Manage drive space with Storage Sense
• Microsoft Support: Microsoft storage FAQs
• Google Pixel Help: Free up space on your Pixel phone
• Google Pixel Help: Check your battery health
• Android Help: Archive apps to save space
• Files by Google Help: Delete duplicate files
• Files by Google Help: Clear your junk files
• Google Photos Help: Free up space on your device
• Google One Help: How your Google storage works
• Gmail Help: Refine searches in Gmail
• Google Account Help: Manage connections between your Google Account and third parties
• Google Account Help: Inactive Google Account Policy
• Samsung Support: Check device status and run diagnostics on Galaxy
• Dropbox Help Center: What is Dropbox Basic?
• Czkawka and Krokiet releases on GitHub
• JustDeleteMe account deletion directory
• Have I Been Pwned

Top image: "Computer Memory Hard Drive Disk HDD Storage Technology" by epSos.de, CC BY 2.0, via Wikimedia Commons (resized). Charts by Thank You Robot.