Adding a signature in Outlook so it's on every email

I made a signature in Outlook but it only appears when I insert it by hand. I want it on new emails and replies automatically. Using the new Outlook on Windows 11.
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1 Answer

abhishek_gadget Oct 21, 2026
rohan_gadget
Depends which Outlook you're in. The new Outlook and the web version: Settings > Accounts > Signatures. Classic desktop: File > Options > Mail > Signatures. The bit people miss is underneath the editor, where you pick the default signature for new messages AND for replies/forwards. Those are two separate dropdowns, and replies are set to none by default, which is why it seems to only work sometimes. Also if you use Outlook on more than one computer you may have to set it up on each one, it doesn't always follow you around.