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Office 365 - Browser Compatibility

A list of compatibility level of each of the major browsers plus a list of known browser issues with Office 365

Recommended Browsers

  • Best - Internet Explorer (IE) 9 or 10 and Firefox
  • OK - Chrome
  • Least - Safari and Internet Explorer 11

Known Issues

  • Outlook Web App (OWA) is like any other webpage; if it doesn’t load quickly or if changes do not appear immediately, refresh the browser.  (Alternative: Press F5) This often resolves the issue.
  • In Firefox, attaching files is inconsistent even within the same version.
  • IE 8 only displays in HTML/basic mode
  • IE 9/IE 10 - Copy and Paste may freeze/crash the browser 
  • Safari on Mac - When downloading and saving a file, adds %20 in place of spaces in the file's name (example: Safari Space Codes.docx becomes Safari%20Space%20Codes.docx). Remove %20 before saving.

If you have questions, please contact the ITS Help Desk at 608.342.1400 or  You may also visit the Help Desk on the first floor of the Karrmann Library.

Keywords:internet explorer firefox ie chrome safari mac pc issues known   Doc ID:45112
Owner:Deb M.Group:UW Platteville
Created:2014-11-19 16:15 CDTUpdated:2018-05-14 09:05 CDT
Sites:UW Platteville
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