If you frequently perform the same routine operations with messages, then you can add additional buttons in the upper menu of the mailbox to streamline these actions into a single click. To open a pop-up window with settings, click in the upper menu on the icon .
Here you can set up the following operations:
For example, if you want to specify a destination folder for messages, click Move to folder, select an option from the list and then save the changes.
To edit a button, click in the upper right corner of the button. To cancel the changes to the button, simply click it.
Once all the buttons are set up as needed, click Done.
You can always change the personalized buttons by clicking in the upper menu of the mailbox.