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Is Microsoft Office Mobile already on my phone?

Yes, it is. You don't need to download or install anything else. To start using it, in the App list, tap Office Office icon to get to the Office Hub. From there, you can start working on your Microsoft Office documents.

Tip: If you think you'll use Office a lot, pin it to Start. To learn more, see Pin things to Start.

What apps are in Office Mobile?

  • Microsoft Word Mobile

  • Microsoft Excel Mobile

  • Microsoft PowerPoint Mobile

  • Microsoft OneNote Mobile

  • Microsoft SharePoint Workspace Mobile

What kinds of files can I open in Office Mobile?

Office Mobile app

Supported file types

Word Mobile

.doc, .docx, .dot, .dotx, .dotm, .docm, .txt, .rtf

Excel Mobile

.xls, .xlsx, .xlt, .xltx, .xlsm, .xltm

PowerPoint Mobile

.ppt, .pptx, .pps, .ppsx, .pptm, .ppsm

OneNote Mobile


Are all the features in Microsoft Office 2010 or later in Office Mobile?

No. Apps in Office Mobile are made for your phone and have a smaller set of features than those in Microsoft Office 2010 or later.

How do I delete an Office document from my phone?

  1. In the App list, tap Office Office icon.

  2. Flick to Places, tap Phone, and then tap and hold the document that you want to delete.

  3. Tap Delete.

  4. Tap Delete in the Confirm delete? message box, or press the Back Back button button to cancel.

Can I open and edit Office documents on my computer after using them on my phone?

Yes. After you get the Office documents onto your computer, you can pick up where you left off and edit them on your computer using Microsoft Office 2010, Microsoft Office 2013 or Microsoft Office for the web in your web browser. To get documents onto your computer, first do one of the following:

Can I open a protected Office document on my phone?

Yes. Here's how:

  1. Tap the protected document.

  2. In the Need credentials message box, tap Yes to use the user name and password from the specified email account.

    The document will open in the right Office Mobile app after your credentials are verified.

Why can't I edit some Microsoft Office documents on my phone?

You might not be able to edit a Microsoft Office document on your phone depending on what's in it or how it was last saved. Here are some of the more common things that make a document read-only on your phone.

The file is:

  • Saved as an older type of Microsoft Office document, such as a Microsoft Word 97-2003 document (.doc), Microsoft Excel 97-2003 workbook (.xls), or Microsoft PowerPoint 97-2003 presentation (.ppt).

  • Digitally signed.

  • Marked as final.

  • Protected using rights management.

  • Protected with a password.

  • Protected with restricted editing rights.

Microsoft Word documents are read-only if they have:

  • Track Changes enabled.

  • Frames.

  • Custom markup (custom XML, Structured Document Tags (SDT), or smart tags).

  • XML tags with unsupported values.

Microsoft Excel workbooks are read-only if they have:

  • Functions that aren't supported on the phone. For info about which Excel functions are supported, see the Microsoft Support article about supported content in Excel Mobile.

  • Data validation in one or more cells.

  • Array formulas.

  • Data tables.

  • Slicers.

  • Macros enabled.

  • Large column or row widths.

  • Formulas that contain links or references to other workbooks.

  • Formulas with structured references.

  • Formulas that contain references, content, or formatting beyond cell IV16384.

  • Formulas that are longer than 512 characters or have more than 30 arguments in them.

  • Tracked changes.

  • Dialog sheets.

  • XML markup that isn't formed correctly.

  • OLE objects or ActiveX controls.

For Microsoft OneNote notebooks, you can't edit:

  • A page from a notebook that was sent as an email attachment.

  • A notebook that is shared on OneDrive, a Microsoft SharePoint site, or a SharePoint Online site, and marked as read-only.

  • A notebook that has a corrupted page.

For Microsoft PowerPoint presentations, you can only make certain types of edits on your phone. Some examples include editing text in a text box, adding or editing notes, changing the order of slides, or hiding slides. For more info about editing a PowerPoint presentation on your phone, see Use PowerPoint Mobile.

Where can I learn more about using the different Office Mobile apps?

For more information, see the following topics:

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