You wish to know the hotkeys JAWS supports in Microsoft Outlook (classic).
Please find below suppoted hotkeys for use in Microsoft Outlook.
Navigational
Description Command
Move cursor to body text window ALT+INSERT+GRĂ€VE
Move back one item CTRL+COMMA
Move forward one item CTRL+PERIOD
Move to Attachments list INSERT+A
Select Address button in Contacts ALT+SHIFT+9
Select CC: button ALT+SHIFT+4
Select Reminder Sounds ALT+SHIFT+7
Select TO button ALT+SHIFT+3
Description Command
Read First Header ALT+1
Read Second Header ALT+2
Read Third Header ALT+3
Read Fourth Header ALT+4
Read Fifth Header ALT+5
Read Sixth Header ALT+6
Read Seventh Header ALT+7
Read Tenth Header ALT+0
Read Eleventh Header ALT+EQUALS
Reading
Description Command
Start Skim Reading from the Cursor CTRL+INSERT+DOWN ARROW
Other
Description Command
Delete Message CTRL+D
Read Misspelled and Suggestion INSERT+F7
Read MSAA Information ALT+CTRL+SHIFT+M