I have over 17,000 unread email messages in my Yahoo Mail inbox.

I tried to set all them as read by selecting Select All and then MoreMark as read (keyboard shortcut K) but it only marks less than a hundred every time. I want all of them to be marked as read at once. How can I do this?

I also tried searching using is:unread and then did the above procedure, but it did not seem to mark any messages as read in this case.

I am using the modern Yahoo Mail theme, not the classic one.


1 Answer 1


If you have them all in Inbox, hover over Inbox in the left-side menu, click on the caret and then click on Mark emails as read from the drop-down menu.

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  • FYI, you should at least be in a Chrome web browser for the above to work. If you're using Internet Explorer, it doesn't display the drop down as shown.
    – doug
    Jan 16, 2020 at 23:49

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