Microsoft Outlook

macOS
K

General Shortcuts
General ShortcutsO
Close an open itemW
Flag an item for follow-up5
Go to the search boxF
Use advanced findF
Check spelling and grammar;
Make text boldB
Make text italicI
Add bulletsL
Switch to mail1
Switch to calendar2
Switch to contacts3
Switch to tasks4
Switch to notes5

Email
Create a new messageN
Mark message as readT
Archive messageE
Mark message as unreadT
Move message to a folderM
Send a message
ReplyR
Reply allR
ForwardJ
Attach a file to a messageE
Create a folderN