Lithium-ion batteries wear out over time, which can result in a battery not holding a charge for as long as it did when it was new. Keeping the battery charged to 100% all the time can cause it to deteriorate faster.

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.

Important: You don't need to remove old security information unless there is an account security risk (e.g. someone else has access to your old mailbox).

Note: If you forgot your account info and had to reset your security info, you must wait 60 days before closing your account.

如果在设置中打开用与首选语言不同的语言编写的页面，Microsoft Edge会自动提示你翻译它。 转到用外语编写的网页时，“翻译”图标 显示在地址栏中。 如果语言未包含在设置中的首选语言列表中，则该语言被视为外在语言。

In order to obtain the details of your reward, please go to your Order History and scan through the list of your orders. Look for the reward in question and at the far-right, click the Order Details button to get your redemption code or link.

Microsoft Rewards offers and redemption catalogs vary across regions. The following is a list of countries/regions in which Microsoft Rewards is currently available:

Notes: Meeting recordings won't capture whiteboards, annotations, shared notes or content shared in the stage view by apps, and also won't include videos or animations embedded in PowerPoint Live presentations.

Why accounts are locked and disabled. Microsoft accounts are usually locked if the account holder has violated our Microsoft Services Agreement.Here are some common reasons why accounts are locked, though not all account locks occur for these reasons:

If the status of your order is Shipped, check for a Track Shipping link below the status.Pending orders may require updated information or change of payment method. Recent purchases may not have a status right away. Check back later to see the progress of your order. How soon will my items ship?