[MlMt] Add “Preview at Left” layout option

[Quinn Comendant]

I'm in the habit of composing emails with the compose window at the 
right side of my screen (so I can browse other emails at the left). The 
problem is when I Toggle Preview, it appears at the right of my compose 
window, which is off-screen. It seems it would be simple to add an 
option to “Preview at Left” so that the preview window appears to 
the left of my window.

I Don’t use the “Preview at Bottom” option because it has a 
significant flaw: when the preview is turned off, the size of the 
compose window does not return to its original height (full screen 
height). I also just prefer having full-hight preview area, better for 
long emails.

Regards,
Quinn

![](cid:047F0B14-7A06-41A0-BD0C-A0A600F3D82C at strangecode.com 
"SCR-20250707-rdek.png")
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