To troubleshoot the issue of Outlook not properly saving or syncing your email templates, consider the following steps:

1. Verify that you have the correct version of Outlook installed.
2. Check that the email templates are in the correct file format.
3. Check that a backup of the email templates has been kept.
4. Check that any images contained in the template are not corrupted.
5. Verify that the email program is syncing correctly with the server.
6. Check for any software or hardware conflicts on the computer.
7. Check that any anti-virus software or applications are updated and running properly.
8. Reboot the computer and try re-syncing the templates.