It would be nice to be able to mark all messages in a folder as read with one or two clicks, rather than having to mark them all individually.
The ability to right-click a folder and select “Mark all as read”
There’s a few workarounds, such as Ctrl+A (although this will only select the first 50, not all messages, or creating a mail rule. However, these are not really practical.
On Gmail shortcuts, one can press
u, and then
I. (Solution by jerinpetergeorge.)
Thunderbird and Evolution both already offer this feature.
(Original issue had 41 upvotes.)