What types of files can be opened with Office Compatibility Mode (OCM)in Google Docs, Sheets, and Slides?

You can open the below listed type of file with Office Compatibility Mode (OCM):

  • Documents: .doc and .docx
  • Spreadsheets: .xls, xlsx, .xlt, .xlsm, .xltm, and .xlam
  • Presentations: .ppt and .pptx