Select the Accounts button and the Account Information tab.Click the Mail menu and choose Preferences.You can choose whether other types of files are downloaded by doing the following: For example, images, PDFs, video, and audio files are always downloaded, and they’re displayed in the body of the email. Mail Attachments can either remain on the server or be downloaded to your Mac, depending on the type of file and the option you specify in Account Preferences. Hence, to delete Mail storage on Mac, the easiest is to start with Mail attachments and junk mail.

But that's far from true and doesn't take into account your downloaded messages and attachments. Now I know that my Mail takes up 724 MB of storage. Open the Apple menu > About this Mac > Storage > Manage. The storage Mail occupies consists of two parts: the Mail app itself and your user-created data. How to check the space Mail is taking upīefore you do anything, let’s investigate how serious your storage problem is. But here we'll try to trim down its size. It keeps you in the dark about the actual storage it uses and if left unchecked, Mail app may silently grow to an enormous size. The default macOS Mail app is an invisible space eater. But to help you do it all by yourself, we’ve gathered our best ideas and solutions below.įeatures described in this article refer to the MacPaw site version of CleanMyMac X. So here's a tip for you: Download CleanMyMac to quickly solve some of the issues mentioned in this article.

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