The first time you open an OpenDocument Format file, you'll see a notification asking your permission to convert the file using the Microsoft online service (this example is from PowerPoint):

Navigate to the location where your OpenDocument Format file is saved.Ĭhoose the file you want, and then select Open. For more info on the conversion process, see Why does the Microsoft online service need to convert some Office files? Open an OpenDocument Format file in Office for Mac Note: You'll need to be connected to the internet to open ODF files and convert them to OOXML files.