AutoSave is on by default in Word, PowerPoint, or Excel online when saved to OneDrive or SharePoint. For desktop apps, OneDrive saves your files every 10 minutes by default. However, you can update save and recovery settings directly from your document, presentation, or workbook.
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In your desktop app, select File > Options.
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Select the Save tab.
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Confirm or update the options and, to save your changes, select OK.
