With OneDrive, you can get to your Office documents from any PC, Mac, tablet, or phone.
To create an Office document using Office Web Apps, just go to the OneDrive website, tap or click Create on the bar at the top, and then choose the type of file you want to create. When you tap or click an Office document on the OneDrive website, it automatically opens in Office Web Apps. Office Web Apps preserve your document formatting, so you can make quick edits without worrying about messing up how the document looks.
When you use OneDrive, you can share documents with other people and all work on the same copy instead of sending different versions back and forth in email. Your classmates, friends, or coworkers can use free Office Web Apps to view or edit the documents, even if they don't have Office installed. With OneDrive, you can even work on documents with other people at the same time without creating conflicts. For more info about sharing files in OneDrive, see Share files and folders and change permissions.
For info about working on OneDrive documents using Office 2013, see Use SkyDrive with Office 2013.
When you or someone else makes changes to a document, OneDrive keeps track of the versions automatically, so you don’t need to store multiple versions of the same document. To view, restore, or download previous versions of a document, select the check box in the upper-right corner of the document, tap or click Manage, and then tap or click Version history.
To view an older version, select it under Older versions, and then tap or click Restore or Download.
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Need help editing Office documents on the OneDrive website?
Go to Office Web Apps support