
This will stop downloading messages from there. Uncheck the options from the given list on the right side. Click on Mail menu and select Mail accounts providers that you want to delete.

To stop using Mail app on your Mac, first, disable or delete email accounts which are used by Mail app. For example- the popular Gmail web for Gmail users. If your internet connectivity to devices is good, then instead of using Mail app, use web-based emails. You can Choose Mailbox> Erase deleted items and then select from all accounts or from a specific account. That way Mail app will still occupy a large chunk of the storage space. Sometimes, we just delete messages from inbox, which are remains inside the trash folder. This way Message will remain in the mailbox and it will indicate that attachments were removed manually.

For removing, Choose Message > Remove Attachments. If you have downloaded the attachments in your local drive then you can delete attachments from Mail. Read more about this from Mac support guide.

It may break your system email client or lose your data.Īlso read: Disk Utility Guide for Mac Users Option 1: Move/Delete Large Messages You have to be very cautious when you delete the email client files. There are a couple of solutions to clean up the Mac mail storage space. Once you see the space utilized by the Mac mail app on your hard disk, you can clean those out.
