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Why will Outlook Mail no longer work in your browser after upgrading my Mac to OS X 10.10.5?

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sharon1961
sharon1961
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I upgraded my Mac OS X to 10.10.5. I can no longer launch my Outlook Mail browser in Firefox. It works in Safari, but I mainly use Firefox.

I upgraded my Mac OS X to 10.10.5. I can no longer launch my Outlook Mail browser in Firefox. It works in Safari, but I mainly use Firefox.

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the-edmeister
the-edmeister
  • Moderator
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Many site issues can be caused by corrupt cookies or cache. In order to try to fix these problems, the first step is to clear both cookies and the cache. Note: This will temporarily log you out of all sites you're logged in to. To clear cache and cookies do the following:

  1. Click the menu button New Fx Menu, choose History, and then "Clear Recent History...".
  2. Under "Time range to clear", select "Everything".
  3. Now, click the arrow next to Details to toggle the Details list active.
  4. From the details list, check Cache and Cookies and uncheck everything else.
  5. Now click the "Clear Now" button.

Further information can be found in the Delete browsing, search and download history on Firefox article.

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