Top 3 Ways to Delete Email Cache on iPhone

by Jenefey Aaron Updated on 2022-11-30 / Update for Cleanup iPhone

“Why does Mail take up so much storage on iPhone? My iPhone 6s mail usage is showing 2.6 GB when I have no more than 50 total email messages in all folders. Is the only solution to remove and reinstall my mail?”

For people who send and receive tons of emails on iPhone will find iPhone Mail taking up too much space when checking storage in Settings. Indeed, when your get an email on iPhone, the attachments and files are also saved on iPhone by default. Too much email files and caches not only slows down iPhone performance, but also causes many other problems. Luckily in this article, we’ll share you 3 methods to delete mail cache and attachments on iPhone quickly and completely.

Way 1: Log Out Email Account and Log In Again on iPhone
Way 1: Uninstall and Reinstall Mail to Recover Mail Storage on iPhone
Tip: Manage iPhone Storage in One Tool

Way 1: Log Out Email Account and Log In Again on iPhone

Log out your email account on iPhone and then add it back is also another alternative way to remove mail cache on iPhone. Before you take this method, create a backup of your iOS device and make sure your email address and password are both working.

Go to Settings -> Mail -> Accounts and tap on your email account.

Press “Delete Account” and then “Delete from My iPhone” to remove the account.

Then go back to the Home Screen and close the running apps. Restart your iPhone and all the caches and attachments on mail will be cleared out.
Once your device reboots, go to Settings and tap on Mail -> Accounts, click “Add Account” to log in your email again.

Way 2: Uninstall and Reinstall Mail to Recover Mail Storage on iPhone

Too much junks and caches accumulated in Mail can lead to app not working or crashing. In this case, uninstall Mail app and reinstall it again can be the best choice.

On your iPhone Home Screen, tap on the Mail app and when you see the “×” appears, click on it to delete the Mail app.

Then open “App Store”, search Mail, download and install it on your device.

Tip: Manage iPhone Storage in One Tool

The highly recommended method for managing iPhone data and storage is using an easy iPhone management tool called Tenorshare iCareFone. This software is designed to free up storage space for iOS devices by organizing photos, videos and files and uninstalling apps. See how to use this amazing tool to manage iPhone storage.

Download and install the program on your Mac or PC, run the software and connect iPhone to computer. Click Manage once the device is recognized.

The program will start scanning your iPhone. When the scanning process completes, all the files will be listed out. You can click “delete” button to erase unwanted files.

With the 3 easy methods introduced in this post, you can easily clear cache and attachments from your iPhone X/8/8 Plus/7/7 Plus/SE/6s Plus/6, iPad or iPod. If you have other questions or suggestions about this article, you are warmly welcomed to contact us.