How to import or insert HTML signatures in Outlook?

Author: Kelly Last Modified: 2025-03-13

If you've downloaded an HTML signature and want to use it in Outlook, there's no direct import function. However, by manually placing the files in the correct folder and adjusting the settings, you can seamlessly integrate your HTML signature into Outlook. This article will guide you to import or insert HTML signatures into Outlook step by step.

Import or insert HTML signatures in Outlook

Import or insert HTML signatures in Outlook

1. Open File Explorer, paste the following path into the address bar, and press Enter. This opens the folder where Outlook stores all signature files.

%AppData%\Microsoft\Signatures

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2. Open the folder where your downloaded HTML signature files are saved, select all related files and folders, then right-click and select Copy from the dropdown menu or press Ctrl + C.

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3. Go back to the Outlook Signatures folder and paste the copied files by pressing Ctrl + V.

4. Click the View tab in File Explorer and check the "File name extensions" option.

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5. Find the HTML file of the imported signature, click into its name, change its extension from .html to .htm, and press Enter.

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6. In the Rename Confirmation dialog, click Yes to import the HTML signature into your Outlook..

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⚡ Tip: If you have multiple HTML signatures, repeat steps 5 and 6 for each file.

Edit or customize the imported signatures in Outlook

1. Open Outlook, go to the Mail view, and click Home > New Email.

2. In the new message window, click Insert > Signature > Signatures.
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3. In the Signatures and Stationery dialog box:

1). Under Select signature to edit, click the imported signature you want to modify.
2). In the Edit signature section, make any necessary adjustments.
3). Click OK to save changes.

⚡ Tip: Repeat this process if you need to edit multiple signatures.

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