Why some files won't open in Internet Explorer. Internet Explorer uses add-ons such as Adobe Reader to view some files in the browser. If a file that needs an add-on won't open, you might have an older version of the add-on, which needs to be updated.

Learn how to tell if your Office software is genuine. To help determine if your Microsoft software is genuine, go to our How to Tell site for more information. Here you'll learn about authentic packaging, including what to look for with product key labels, and Certificate of Authenticity (COA), how to report counterfeit software, and find out what your shopping and licensing options are.

Refunds are typically issued for requests meeting the following criteria: Requests are made within 14 days of the purchase date; Requests are for games in which you haven’t accumulated a significant amount of play time

Important: If your Microsoft cloud storage is full, you cannot send or receive email.Messages sent to you while your storage was full are bounced back to the sender and are unrecoverable. Check your mailbox storage to see what's taking up space. Learn more about recent changes.

To help protect your privacy, the new Microsoft Edge sets tracking prevention to balanced by default. For increased protection, you can switch your tracking prevention to strict or block all third-party cookies.

Upload captions and transcripts Upload your own WebVTT captions and transcript file by selecting Video settings in the upper right of the web player.Expand the Transcripts and captions section if closed, then select Upload.In the dialog that appears, select the language of the file you’re uploading.

The following new and improved features have been implemented in Windows Installer 4.5. Multiple package transactionIn a multiple package transaction, you can create a single transaction from multiple packages.

Some accounts have been created using the current date instead of a birth date - it's surprisingly common, and we are working to prevent account creation errors.

With PowerPoint for the web you create presentations right in your browser. Create and save your presentations in your OneDrive, and edit and share them online.

On the View tab, in the Master Views group, choose Slide Master.. The slide master is the largest slide image at the top of the slide thumbnail list, to the left of your slides. Associated slide layouts are positioned beneath the slide master.