Forum Discussion
Error in Firefox when opening Word or Excel files - The address wasn't understood
When opening documents from SharePoint in Firefox the following error message appears: The address wasn't understood Firefox doesn't know how to open this address, because one of the following p...
PhilineVonYou need to tell firefox to use NTLM authentication for the site that is giving your users problems.
1. Open firefox
2. In the URL bar, type "about:config"
3. Click "I accept the risk"
4. Search for network.automatic-ntlm-auth.trusted-uris and double click it
5. In the text box that opens, type the domain name of your site.
6. Click "Ok"
I hope this solves your issue!