Learn how to access Microsoft Store on Windows by selecting the icon on the taskbar or using the search box.

Important: You won't lose files or data by resetting OneDrive on your computer.Resetting OneDrive only disconnects all your sync connections (including personal and work or school).

解决安装 Windows SP1 时遇到的问题. 如果你尝试安装 SP1 并看到指示安装未成功的错误消息，这可能是因为用于安装更新的 Windows 维护服务商店出现问题，或者是因为你的防病毒软件阻止安装更新。

Windows 10 Pro offers more advanced security and business networking features, including: BitLocker Drive Encryption

To activate Windows 10 using an internet connection: As Windows 10 will automatically activate if you are connected to the internet, you can confirm your activation status by selecting Start > Settings > Update & Security > Activation and looking under Windows.. If online activation fails, first try the activation troubleshooting in Activate Windows 10.

Know your limits Many email service providers set limits for the number of names that can be included in the To, Cc, and Bcc boxes in a message. For example, your email service provider may limit each message to a maximum of 100 email addresses. If these addresses are distributed among the To, Cc, and Bcc boxes, remember that the names in the Bcc box will count toward your total limit.

Learn how to manage extensions in Microsoft Edge, including adding, disabling, or removing them as needed.

Create contact lists. A contact list is a collection of email addresses, and is useful for sending email to a group of people. Contact lists are sometimes referred to as distribution lists.. For example, create a contact list named My book club and add all the members of your book club to it. When you want to send an email message to everyone in the club, just add My book club in the To line ...

If contact us isn't working the way you expect, try the disability answer desk option on this page. Contact us

Add your Outlook.com, Microsoft 365, Exchange-based email, or IMAP or POP email account to your Android phone or tablet using the built-in Android Email app.