Reset Cache on Mac to Fix CacheMac Login Issues
To reset the cache on a Mac, quit open apps, open your user Caches folder in Finder, and move only its contents to the Trash. Clearing these temporary files can fix slow apps, login errors, and information that does not update correctly.
A cache is a collection of temporary files that helps an app load information faster. macOS and individual apps normally create replacement cache files automatically when they need them.
Why can clearing your Mac's cache help?
A damaged or outdated cache can make an app reuse incorrect information. Clearing the affected cache forces the app to create fresh temporary files or download current account data.
A cache reset may help when:
- An app opens slowly, freezes, or closes unexpectedly.
- A sign-in page loops, stays blank, or continues showing a login error after you enter the correct details.
- An app displays old account details even after you refresh it.
- Images, menus, or other page elements do not load correctly.
- A browser keeps returning to an outdated version of a page.
Clearing a cache does not repair every login problem. An incorrect password, an account lock, a service outage, or a failed verification method requires different troubleshooting.
How do you reset the cache on macOS?
The standard user cache folder is ~/Library/Caches, but code tags are not supported here.
- Save your work and quit the app that is having trouble. If several apps are affected, quit all open apps.
- Open Finder.
- Open the Go menu and choose Go to Folder. Menu wording or placement can differ slightly between macOS releases.
- Enter ~/Library/Caches and press Return. The tilde means your current user account's home folder.
- Confirm that Finder opened the Caches folder inside your user Library. Do not delete the Library folder or the Caches folder itself.
- Select the cache folders or files associated with the affected app. If you cannot identify them confidently, leave them in place and use the app-specific method below.
- Move the selected items to the Trash. Do not remove files from other Library folders.
- Reopen the app and test it before emptying the Trash. If the app works normally, empty the Trash when convenient.
When following instructions for how to reset cache on Mac, work only inside your own ~/Library/Caches folder unless official instructions for the affected app identify another location. Avoid the top-level /Library folder and the macOS System folder because they contain shared or protected data.
How do you clear the cache for one Mac app or browser?
Per-app caches are temporary files created by one application. Targeting one app reduces the chance of disrupting other open apps or forcing unrelated content to reload.
- Quit the affected app completely. Closing a window may not quit the app, so use Quit from its application menu.
- In Finder, use Go to Folder and enter ~/Library/Caches.
- Look for a folder whose name clearly matches the app or its developer. Some folders use a bundle identifier, which may resemble a reversed domain name.
- If the folder cannot be identified with confidence, do not guess. Check the app's official help or use its built-in reset, repair, or clear-cache option if one is available.
- Move only the identified app cache folder or its contents to the Trash, then reopen the app.
For a browser, the safer method is usually its built-in privacy or history settings. Look for an option named Clear Browsing Data, Clear History, or Manage Website Data. Exact menu names vary by browser and release.
Select cached images and files when that choice is offered. Clearing cookies or website data is different from clearing cached files: it may sign you out and remove saved site preferences. Clear cookies only if a simple browser-cache reset does not solve the login problem and you have your password and verification method ready.
Do you need to restart your Mac after resetting the cache?
A restart is not always required after a reset cache Mac procedure. Reopening the affected app is often enough because the app can create new cache files at launch.
Restart the Mac if the app still shows the same error, Finder says a cache file is in use, or several apps are behaving incorrectly. After restarting, check whether the app opens normally, the sign-in page accepts your details, and current account information appears.
The first launch may be slower while cache files are rebuilt. That brief slowdown does not by itself mean the reset failed.
What should you do if clearing the cache did not fix the problem?
If clearing the Mac cache does not fix a login issue, test the account separately from the app. Try the service in a private browser window, confirm that the email address or username is correct, and use the service's password-reset process if necessary.
- Check whether the Mac has a working internet connection.
- Confirm the Mac's date and time are correct, because an incorrect clock can interfere with secure sign-in.
- Install available updates for the affected app and macOS after saving your work.
- Disable browser extensions temporarily if the problem occurs only in a browser.
- Check the service's official status information for an outage.
- If the problem affects macOS or multiple apps, open {site} and search for Mac support or contact options. If it affects only one service, use that service's official support section.
When contacting support, describe the exact error, the affected app or browser, and the troubleshooting already completed. Do not send a password, verification code, recovery key, or other secret account information.
Frequently asked questions about clearing a Mac cache
- Is it safe to clear a Mac cache? It is generally safe to remove temporary files from the user cache folder after quitting the affected app. Do not delete the Caches folder itself or remove items from unrelated system locations.
- Will clearing the cache delete personal files? Files in Documents, Desktop, Downloads, Photos, and other personal folders are not part of ~/Library/Caches. However, selecting the wrong folder creates a data-loss risk, so verify the path before moving anything.
- Will clearing a browser cache sign me out? Cached images and files normally do not control sign-in. Clearing cookies or website data can sign you out, so review the selected data types before confirming.
- How often should a Mac cache be cleared? There is usually no need to clear it on a schedule. Reset the relevant cache when troubleshooting a specific problem or when official support instructions recommend it.
- Can all cache folders be deleted at once? Removing every user cache can make many apps rebuild data and may reset temporary state. Target the affected app first.
- What if a cache file cannot be moved? Quit the related app and try again. If the file remains in use, restart the Mac, then repeat the targeted removal.