This article explains how to display the size of messages in Apple’s Mail app. Instructions apply to Mac OS X 10.11 and higher.
What to Know
- Select View > Show Message Size.If you want to sort your email by size, select View > Sort By > Size.
How to Show Message Sizes in Apple Mail
To display the message size in the Mail message list:
- Go to your inbox in the Mail app and select View on the menu bar.
- Select Show Message Size in the drop-down menu.
- Now, the size of a message appears under the date you received it.
- If you want to sort your email by size, select Sort By in the View menu and choose Size.
Why Would You Want to Know the Message Size?
You might want to know the message size to determine whether a message has attachments or images in it. You might be looking for an especially long message or one with a lot of information or a large attachment. If your mailbox is full, you may want to delete large messages first to free up space on the mail server or to speed up the syncing of a new device.
Go to your inbox in the Mail app and select View on the menu bar.
Select Show Message Size in the drop-down menu.
Now, the size of a message appears under the date you received it.
If you want to sort your email by size, select Sort By in the View menu and choose Size.
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