How to Fix Missing Signature Images in Sigsync Add-in for Outlook

Sigsync Microsoft Outlook add-in that allows users to manage and centrally manage email signatures for their organization. However, some users may encounter a frustrating issue where the add-in fails to load images automatically. Fortunately, try the following methods to fix the issue:

Ensure that you are composing your emails in HTML format.

Composing your emails in HTML format

To ensure that your signature images display properly in Outlook, make sure to compose your emails using the HTML format. Here's how:

  1. Navigate to the File menu and select Options.
  2. Click on Mail, then select Compose messages.
  3. Under the Compose messages section, select the HTML format.
  4. Save the changes.

Composing your emails in HTML format

Launch Outlook in Safe Mode

If you are still experiencing issues with your signature image not displaying correctly in Outlook, you can try launching the app in Safe Mode. This will help determine if the problem is caused by a faulty or incompatible add-in or extension. Here's how to do it:

  1. Press the Windows and R keys to open a new Run window.
  2. In the Run window, type "Outlook.exe /safe" and press Enter.
  3. When prompted, confirm that you want to launch the app in Safe Mode.
  4. Compose a new email and check if the signature image is visible.

Check your picture placeholder settings in Outlook

If you're still having trouble getting your signature images to display in Outlook, you may need to review your picture placeholder settings. Here's how to do it:

  1. Open Outlook and click on 'New Email'.
  2. Click on 'File', then select 'Options', followed by 'Mail' and 'Editor Options'.
  3. Go to the 'Advanced' tab.
  4. Enable the checkbox next to 'Show picture placeholders'.
  5. Click 'OK'.

Reviewing picture placeholder settings

Reviewing internet settings

If you're still experiencing issues with signature images not displaying correctly in Outlook, you may need to review your internet settings. Here's how:

  1. Search for 'Internet Options' in the Start menu of your computer.
  2. Click on the 'Advanced' tab.
  3. Under the 'Security' section, enable the checkbox next to 'Do not save encrypted pages to disk'.
  4. Click 'OK'.

Unblock images for all the messages (for Outlook versions 2016, 2013, & 2010)

If you're using Outlook 2016, 2013, or 2010 and want to unblock images for all messages, you can follow these steps:

  1. Click on the 'File' tab in Outlook, then select 'Options'.
  2. Click on 'Trust Center', then select 'Trust Center Settings'.
  3. Under the 'Microsoft Outlook Trust Center' section, clear the checkbox next to 'Don't download pictures automatically in HTML e-mail messages or RSS items'

Unblock images

Disabling your third-party antivirus app

If you're still having trouble with image display in Outlook, it's possible that a third-party antivirus app is causing the issue. These apps can sometimes be overly aggressive and block images from loading.

To test if this is the case, you can try disabling your third-party antivirus app temporarily. Here's how:

  1. Locate your third-party antivirus app in the system tray or taskbar.
  2. Right-click on the app and select 'Disable' or 'Turn off'.
  3. Try opening Outlook again and see if the signature image displays correctly.

Update Outlook

If the issue with your signature images not displaying correctly in Outlook is caused by a known bug, Microsoft may have already released a fix in a recent Office update. To update your Office software and check if the issue is resolved, follow these steps:

  1. Click on 'File', then select 'Office Account'.
  2. Click on 'Update Options', followed by 'Update Now'.

Update Outlook

Repair Office

If your signature image display issues in Outlook are caused by corrupted Office files, you may be able to resolve them by repairing your Office Suite. Here's how:

  1. Go to the Control Panel on your computer, and select 'Programs'.
  2. Select 'Programs and Features', then locate 'Office' in the list.
  3. Click on 'Change'.
  4. Select 'Quick Repair' and run the tool.

Repair Office


Sigsync Microsoft Outlook add-in provides a centralized way for users to manage email signatures for their organization. However, some users may face a problem with images not loading automatically. To address this issue, several methods can be tried such as ensuring that emails are composed in HTML format, launching Outlook in Safe Mode, checking picture placeholder settings, reviewing internet settings, unblocking images, disabling third-party antivirus applications, updating Outlook to the latest version, and repairing Office. By following these methods, users can fix the issue and use the add-in effectively.

Streamline Email Signature Management with a Free On-demand Demo from Sigsync

Sigsync email signature service provides effortless, centralized signature management for Office 365 and Exchange. Our team can assist you in quickly setting up company-wide signatures. Request a free on-demand demo to see how Sigsync can simplify your email signature management process.


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