Create new mail for all accounts

Hello, is it possible to create new mail window for all accounts at once, with one click or some shortcut ?

is it possible to create new mail window for all accounts at once

I don’t know a (one click) way to do that, but you can do it in (two clicks).

eg; If you want to open a “new mail window” to see all your various account Inboxes and folders etc, “Right click” on “All Inboxes” at the top left, and then click “Show in new Window”.

Note:- If you don’t already have All Inboxes enabled, click “Menu / Settings / General” and check the box marked “Show Favorite Folders” and then “Save and Close”.

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Actually i mean is it possible to open this with one click for all accounts. I have a lot of accounts and it is tiresome going one by one and opening it.