Google Drive can store Office files without converting them to Google Docs, Sheets, or Slides. Keeping the original format is useful when colleagues require Word, Excel, or PowerPoint files, but you must distinguish storage, web editing, and conversion.
Check upload conversion settings
On a computer, open Drive settings and inspect Convert uploads to Google Docs editor format. If you intend to preserve supported Office uploads as Office files, do not enable automatic conversion for that workflow.
Upload the original into the correct authorized folder and wait for completion. Inspect the resulting file type and open it to confirm that you have the intended Office item rather than a converted Google copy.
Choose an appropriate editing route
Google documents direct editing of Office files in its web editors, with changes saved in the original Office format. That is different from conversion, which creates a Google-format copy. Desktop Office applications can also work with Drive for desktop when configured appropriately.
Do not assume that preserving the extension guarantees perfect feature compatibility. Review important formatting and application-specific functions after editing, particularly for complex templates or files used in automated business workflows.
Keep originals and collaborators aligned
Tell the team which file and application should be used. Avoid leaving a similarly named converted copy in the same working folder without explaining its purpose. Verify the intended link and sharing after upload or replacement. If a required feature is unavailable in the selected web editor, use an approved application rather than silently changing the project format. Retain the local source until the cloud item and relevant functionality have been checked, and do not treat a successful preview as a full compatibility test.
References
Reviewed against the linked official product guidance on November 3, 2026. Features, limits, screen labels, and access can vary by account, platform, region, and organization policy.