Paste into Settings
- Click Copy signature above.
- In new Outlook, click the gear icon (top right) to open Settings.
- Go to Account → Signatures.
- Click + New signature and give it a name.
- Click into the editor and press Ctrl + V to paste.
- Wait a few seconds for images to load.
- Set as default for new messages and replies, then Save.
If paste doesn't preserve formatting, try Outlook on the Web at outlook.office.com. Pasting there is more reliable, and the signature syncs to your desktop client automatically.