How to delete Mail files manually on a Mac:ġ. So it’s not the best way of clearing Mail storage, but it is possible. This involves looking through a lot of different folders, though, some of which have long, complicated names. You can also clear Mail storage from your Mac manually using Finder. If Mail is set to download no attachments, you can still download them manually when you need to. This is a quick and easy way to manage which attachments are automatically downloaded by Mail. Note: there are also options to download only recent attachments or to download them all. In the Download Attachments dropdown, select None Choose the email account you want to make changes toĤ. In Mail, go to the menu bar, and select Mail > Preferencesģ. How to change attachment settings in Mail for Mac:ġ. Fortunately, it’s easy to stop Mail from downloading attachments automatically. Over time, they can quickly accumulate and fill up your system disk. Attachments, on the other hand, can be several megabytes in size. The text part of emails doesn’t take up much space. If the left-hand column, you’ll see how much storage space is being used by Mail Changing Mail’s attachment settings In Finder, click the Apple icon in the menu bar, and select About This Macģ. If it’s only a small amount, then it might not be worth clearing out that space.ġ.

Manually clearing Mail storage in Finderīefore you start clearing out Mail’s storage on your Mac, it’s a good idea to know how much space it’s actually using.

There are few ways to clear out unwanted files from Mail:

Finding and deleting unwanted Mail files from your Mac’s storage can be an easy way to free disk space. Too many of those, and you can find your Mac filling up quickly - potentially with attachments you’ll never have any use for.

As well as keeping copies of the text in emails, Mail can also download copies of attachments. Depending on how you have it set up, the Mail app in macOS can take up a large amount of storage space.

Mac clean mail