
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.
