How to insert background color into an Outlook signature?

Please follow below steps to insert background color into a signature in Outlook.

1. In the "Mail" view, please click "Home" > "New Email" to create a new email.

2. In the opening Message window, please click" Insert" > "Signature" and then select the specified signature you will add background color from the drop down list. See screenshot:

3. Put the cursor at a blank place, and click "Insert" > "Table" to insert a 1x1 Table. See screenshot:

4. Move the inserted signature into the new 1x1 table.

5. Keep selecting the table, and click ("Table Tools") "Design" > "Shading" and specify a background color from the drop down list. See screenshot:

6. Keep selecting the table, and click "Design" >" Borders" > "No Border" to remove borders from the table.

7. Keep selecting the table, and copy it with pressing the" Ctrl "+" C "keys.

8. Click" Insert "> "Signature" > "Signatures" to open the Signatures and Stationery dialog box.

9. In the opening Signatures and Stationery dialog box, go to the "E-mail signature "tab, and:

(1) Click to select the signature you will add background color in the "Select signature to edit "box;
(2) Go to the "Edit signature" box, remove original signature content, and then paste the new one with background by right clicking and selecting the "Entire Cell" under the "Paste Options "in the context menu.;
(3) Click the "OK" button.

Now the specified background color has been added into the signature. Please close the new email without saving.

This method provides another trick to insert or remove background color in an Outlook signature within Microsoft Word. Please do as follows:

1. Open the File Explorer, paste the folder path "%AppData%\Microsoft\Signatures" into the "Address" box, and press the "Enter" key. See screenshot:

Now the folder containing all Outlook signatures is opening.

2. In the signature folder, right click the specified signature’s HTM file, and select "Open with" > "Word" from the context menu. See screenshot:

Now the specified signature is opening in Microsoft Word. To adding background color for this signature, you can follow the Step 3 - 6 we introduced above, finally save and close the word document; for remove background color, please go ahead:

3. Select the signature content in the table, cut with pressing the "Ctrl" + "X" keys, and then paste it out of the table.

4. Select the table, and click ("Table Tools") "Layout" > "Delete" > "Delete Table" to remove it. See screenshot:

5. Save the opening signature file, and close the Word window.

So far, you have removed (or added) the background color in the specified Outlook signature.

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