Outlook signature disappears every day after restart

Email signatures are important to demonstrate legitimacy and professionalism and include contact information and company logo. Outlook users often complain that signatures disappear after restarting, which can be frustrating for those looking to increase their company's visibility. In this article, we will explore different fixes to resolve this issue.

Why does my Microsoft Outlook signature keep disappearing?

If you are using Microsoft Outlook for the first time, please make sure that your version is not a trial version. Trial versions may cause signatures to disappear. Additionally, the version architecture should also match the version architecture of the operating system.

If you find that email signatures disappear from time to time in Outlook Web App, it may be due to a temporary file issue with your browser. In addition, enabling the roaming signature feature may also cause confusion in signature settings, causing Outlook signatures to disappear.

Fix Outlook signature disappearing every day after restart

If you find that Outlook signatures disappear every day after restarting your PC, here are some proven solutions to help you solve this problem.

Check Signature Settings

Disable roaming signature function

Clear OWA browsing data

Recreate lost signature

Delete signature cache

Create a new Outlook profile

Repair/Clean-Install Outlook Application

1] Check signature settings

Make sure the default signature settings are correct to fix Outlook signature disappearing issue. If using the Outlook desktop application, follow these steps:

• Navigate to File>Options>Mail&>Signature.
• Under the "Choose Default Signature" section, make sure the email account is correct.
• Also, please make sure to select the correct signature for new messages and replies/forwards.

If you are using Outlook Web App, follow these steps:

• Log in to your Outlook account on your browser and navigate to Settings.
• Click on the "View all Outlook settings" option.
• Click Mail from the list of options on the left side of the screen, then Compose & Reply.
• In the "Choose a default signature" section, select the appropriate signature for "Use on new messages" and "Use on replies/forwards".
• Save the settings for the changes to take effect.

2]Disable roaming signature function

Outlook's Roaming Signature feature allows users to synchronize their signatures across different devices. However, this can sometimes cause signatures to disappear occasionally on some devices, and this issue can occur even after a system restart. To solve this problem, it is recommended to disable the roaming signature feature. Please follow the steps below carefully.

Press the Windows key R to open the Run dialog box.

Type "regedit" in the text field and click the "OK" button to open the Windows Registry Editor.

In the address bar at the top, browse to:

HKEY_CURRENT_USERSoftwareMicrosoftOffice16.0OutlookSetup

Please note that "16.0" in the above address indicates the Office version.

Right-click anywhere in the right panel and select New > DWORD Value (32-bit).

Name the DWORD value DisableRoamingSignaturesTemporaryTogger and press Enter.

Right click on the DisableRoamingSignaturesTemporaryToggl value you just created and select Modify.

Under Value Data, enter "1" in the text field and click the OK button to save the changes.

Restart the computer for the changes to take effect.

3]Clear OWA browsing data

If you are using Outlook web application, there is a high chance that the signature may disappear due to corrupted browsing data. To resolve this issue, clear the temporary files on your browser. Follow these steps to do this on Chrome:

• Open Chrome and press Ctrl H on your keyboard.
• Click Clear Browsing Data on the left panel.
• Check the boxes for caching images and files as well as cookies and other site data.
• Select all times in the time range option.
• Click Clear Data.

4]Recreate the lost signature

If your Outlook signature keeps disappearing, you should recreate the lost signature by copying the signature content. Please follow the steps outlined below:

• Go to File Options Mail on the Outlook desktop app.
• While holding down the Ctrl key on your keyboard, click the Sign button.
• The folder with your signature will open in File Explorer.
• Open your email signature RTF or HTML file.
• Press Ctrl A to highlight the content in the signature file, then press Ctrl C to copy the file.
• Return to the Outlook desktop application, navigate to File > Options > Mail, and click Signature.
• Under the E-mail Signature tab, select the appropriate email account, click New, and name the signature.
• In the text field under the Edit Signature section, paste the copied signature content. Click the Save button.
• Under "Choose Default Signature", select the new signature you just created for New Messages and reply/forward.
• Click the OK button to save the settings and close the window.
• Then restart your computer.

5]Delete signature cache

If the problem persists, delete all signature temporary files to resolve the issue. Please follow the steps outlined below:

Press the Windows key R to open the Run dialog box.

In the text field, type %userprofile%AppDataRoamingMicrosoftSignatures and click OK.

Select all the files in the folder you just opened and delete them all.

6]Create a new Outlook profile

This issue may be related to Outlook profile. In this case, you should create a new profile to fix it. Please follow the steps outlined below:

• Go to File > Account Settings > Manage Profiles.
• Select Show Profile>Add.
• In the Profile Name box, type a name for the profile, and then select OK.

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