A crashing or frozen email app is usually fixable with a few standard mobile troubleshooting steps, in this order.
Force-close and reopen the app
The simplest fix first: fully close the app (not just minimize it) using your phone’s app switcher, then reopen it. This resolves a surprising number of temporary freezes and glitches.
Check for app updates
Outdated app versions are one of the most common causes of recurring crashes, especially after your phone’s operating system has recently updated. Check the App Store or Google Play Store for a pending update.
Clear the app’s cache
On Android, you can usually clear an individual app’s cache from Settings without losing your account data (Settings > Apps > [app name] > Storage > Clear Cache). This resolves crashes caused by corrupted temporary data. iOS doesn’t offer this option directly, so a reinstall is the closest equivalent.
Check your phone’s storage space
Apps, including mail apps, can behave unpredictably when your device is nearly out of storage. Free up some space and see if stability improves.
Reinstall as a last resort
If nothing else works, uninstall and reinstall the app from the official app store. Your email account itself lives on the provider’s servers, not the app, so reinstalling won’t delete any of your actual messages — you’ll just need to sign back in.
Frequently asked questions
Will reinstalling the app delete my emails?
No, your messages are stored on the email provider’s servers, not on your phone. Reinstalling just requires signing back in.
Why does my email app crash more after an operating system update?
Apps sometimes need their own update to stay compatible with a new OS version; check for a pending app update after any major phone software update.
Is it normal for a mail app to use a lot of storage over time?
Yes, cached images and offline message data can build up. Clearing cache (on Android) or reinstalling (on iOS) usually resolves storage-related slowdowns.