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How to clear Skype for Business cache

Skype For Business: How To Clear File Caches

Clearing cached Skype for Business application files is a great troubleshooting step for common everyday issue (i.e. problems signing in, or Exchange integration warnings). The two options below provide steps for clearing these cached files. 

Method 1: Using an automated script to clear cache. 

  1. Download the automated script by clicking here and selecting the option to download1a.png
  2. Once the file has finished downloading, run the script, by double clicking on the downloaded file. When you open the file a prompt will pop up asking if you would like to open the file. Select the option to "Open".
    • 2.png
      • Note: Skype for Business and Outlook will automatically close and you will see a pop up message that says "Process complete. 
  3. Launch Outlook
  4. Launch Skype for Business. 

Method 2: Manually clearing the files

  1. Close Skype for Business by clicking on the black down arrow next to your status and selecting Exit
  2. Close out of Outlook by selecting File -> Exit or by clicking the X in the upper right hand corner.
  3. Open File Explorer by selecting the  Icon on the task bar
  4. Browse to:%userprofile%\appdata\local\Microsoft\Office in the address bar. (e.g. C:\Users\cmcmullin\AppData\Local\Microsoft\Office)
  5. Select the folder that corresponds to your version of Office, either 15.0 or 16.0
  6. Select the Lync Folder
  7. Delete the sip_alias@domain.com folder and the Tracing folder. 
    • 2a.png
  8. Launch Outlook
  9. Launch Skype for Business