Right-click on Office 365, Office 2016 or Office 2013 > Select 'Change' 3. Cause This issue occurs because the Internet Explorer proxy is set in the user account instead of in the System account. Microsoft Office 365, Microsoft Teams, Microsoft Skype for Business tips, tricks, issues, troubleshooting, diagnostics, reporting, features, information and tools.Office portal: remove registered Office installations. Office 365 install stuck at 2 Step 3: Run Outlook Diagnostics.
