How to rebuild the mail database for a specific folder

Rebuilding an index for a specific folder can help to troubleshoot a variety of issues. This action will download and re-index the messages within a folder, giving you a fresh start.

WARNING: If you have thousands of messages in your folder, it may take some time for all of them to download.


  1. Select an individual account (NOT the Account Group!).
  2. Right-click on your mail folder, and select Properties.
  3. In the General Information tab, click the Rebuild Index button.