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In classic Outlook, select File > Options. Then, in the dialog, select Mail > Signatures.
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Select the signature you'd like to edit and make your changes in the Edit signature box.
Tip:Â For more info on using signatures, see Insert a signature.
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In Outlook for Mac​​​​​​​, select Outlook > Settings > Signatures.
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Select the signature you'd like to edit, then select Edit.
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In the Signature window, make your changes.
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On the title bar, select  (Save), then close the window.
Tip:Â For more info on using signatures, see Insert a signature.
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Near the top right of the new Outlook window, selectÂ
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On the Accounts tab, select Signatures.
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Under Create and edit signatures, ensure that the signature you want to edit is selected, then revise the wording and look of your signature as you see fit.
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When you're done, at the lower right, select Save.
