Use the Find Broken Links tool to quickly find all broken external references in your Excel sheet. Get all the found links displayed on the add-in pane, review and fix them.
Open Excel table where you need to find links and run the add-in by clicking the Find Broken Links icon in the Search group on the Ablebits Tools tab:
You will see all broken links displayed in a tree view on the Find Broken Links pane:
If you want the tool to display not only broken links but all the found ones, clear the Broken links only checkbox and click the Refresh button. The broken links will be marked by a light red background:
Also, you can select the type of links to be shown by opening the drop-down list:
To fix a link, right-click it on the add-in pane and select the needed action:
To open the linked file, right-click the reference on the add-in panel and select the Open Source option: