How do i mark all as read in mac mail

To mark all messages as read in Mac Mail, you can follow these steps:

1. Open Mac Mail and select the mailbox or folder that contains the messages you want to mark as read.
2. Go to the "Mail" menu at the top of the screen and select "Mark All" (or use the keyboard shortcut Command + A).
3. In the "Mark All" dialog box, select "Mark as Read" from the dropdown menu.
4. Click "Mark" to apply the change to all selected messages.

Alternatively, you can also use the "Edit" menu to mark all messages as read:

1. Select the mailbox or folder that contains the messages you want to mark as read.
2. Go to the "Edit" menu at the top of the screen and select "Select All" (or use the keyboard shortcut Command + A).
3. Right-click (or control-click) on one of the selected messages and select "Mark as Read" from the context menu.

Note: If you want to mark all messages in your entire mailbox as read, you can select "All Mailboxes" from the mailbox list and then follow the same steps as above.