Access is denied

Problem

The issue is an corrupt IE localStorage that is necessary to run our add-in. Should only happen on Outlook for Windows or Outlook for Web when using Internet Explorer.

For advanced users, a lot of background information to the issue can be found here: https://stackoverflow.com/questions/13102116/access-denied-for-localstorage-in-ie10

Solutions

we have two ways here Clear Registry Cache and Set integrity level are recommended.

Solution: Clear Registry Cache

• Close Outlook

• Open Windows registry with tool regedit (Help)

• Open the following tree path:
  
  

  HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\

• Delete the whole key "Extensible Cache" including all subkeys

• Repeat the same with the LowCache folder:
  
  

  HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\LowCache\

• Delete the whole key "Extensible Cache" including all subkeys here too

• Restart Outlook and check if it is working

Open

Solution: set integrity level

• Close Outlook

• Open a command line - cmd (make sure to not run as administrator)

• Run the following command to set the integrity level for the AppData/LocalLow correctly to "Low"

• Restart Outlook and check if it works.