This is a mechanism enabled with versions macOS 10.12 and above - it makes it impossible for users to remove any system application on your Mac. Step 1: disable the system integrity protection (SIP). It is a tedious process, and as such should only be your last resort. Simply proceed to their website and follow their instructions. Mac Cleaner is quite common among Mac users and offers this service. Trust, however, is what you should always look out for when looking for one to use, as your privacy can be compromised by using the wrong app. There is quite a number of third-party apps out there. How to delete Mail app on Mac using third-party apps The former will save you time and stress. You can use a third-party app, or do it manually. The mail app on Mac is a system application that makes it near impossible to be deleted for a non-tech-savvy user. Underneath, you’ll find out how much space attachments are occupying, select and delete all attachments you no longer need. Click the Storage tab and then select Manage -> click on Mail in the left-hand sidebar. Click on the Apple menu and select About this Mac.

With the latest macOS (including macOS 12 Monterey), you can also use the optimize feature to delete attachments.

This will sort out all messages with attachments. If you are having trouble finding emails with attachment, simply click the View menu, and then select View by attachments. Alternatively, you can simply delete the email, and proceed to your download directory in the library on your Mac to delete downloaded attachments. To delete, simply navigate to messages with attachments, click Menu and select Remove attachment. Attachments are one of the biggest storage consumers.Here is a step-by-step guide on how to delete mail storage on Mac. Once you open an attachment on your Mac, it automatically gets downloaded on your computer. These attachments range from sent documents and other files to signatures from subscribed company newsletters. Mail storage is consumed by various attachments that come with your emails.

How to clear other storage on mac