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What file types does Office Online support?

Learn about which file types are supported in Word, Excel and Powerpoint.

Written by Mathias

Office Online supports the following file types:


Can be viewed, edited and commented on

  • Word: .docx, .docm, .odt

  • Excel: .xlsx, .xlsm, .xlsb, .ods

  • Powerpoint: .pptx, ppsx, .odp


Can only be viewed and shared

Editing is possible upon converting, by opening the file on Onlime.dk.

  • Word: .doc, .dot, .dotx, .docx, .docm, .odt

  • Powerpoint: .pot, .potm, .pps, .ppsm, .ppt, .pptm, .pptx, ppsx, .odp

  • Excel: .xls, .xlsx, .xlsm, .xlsb, .ods

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