Contact Microsoft Support. What's new. Surface Pro. Surface Laptop. Surface Laptop Studio 2. Surface Laptop Go 3. Microsoft Copilot. AI in Windows. Explore Microsoft products.

See plans and pricing. Find help and support content for Microsoft Phone Link. Learn time-saving tips and explore how you can use Phone Link to stay productive.

You can upload files to OneDrive using the OneDrive mobile app for Android, iOS, or Windows Phone. To learn how, see: Upload files or photos to OneDrive in Android. Upload files or photos to OneDrive in iOS.

PMT, one of the financial functions, calculates the payment for a loan based on constant payments and a constant interest rate. Use the Excel Formula Coach to figure out a monthly loan payment. At the same time, you'll learn how to use the PMT function in a formula.