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How to clear the Microsoft Outlook for Mac web browser cache and cookies

imageWhen working with Outlook for Mac the content of email messages are rendered in a web browser control that is specific to Outlook (it does not use Safari). So when you have a need to clear any cached data or cookies it is far from obvious how you should go about clearing this cache. I’m a newbie to Mac so maybe this is obvious to seasoned users! Here’s how I went about it.

  • Start the Finder application
  • Open the Go menu
  • You need to get to the hidden Library folder. To get the Library folder to show up under the go menu, hold down the option button on your keyboard
  • Now open the Library folder

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  • Find the Containers folder under Library and expand it

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  • You should be able to find a folder called com.Microsoft.OsfWebHost

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  • To clear out the web browser cache I move the following to the trash:
    • com.Microsoft.OsfWebHost/Library/Caches/com.Microsoft.OsfWebHost (folder)
    • com.Microsoft.OsfWebHost/Library/Caches/Cookies/Cookies.binarycookies (file)

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Restart Outlook and you should now have no cached files being used.

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