Get Microsoft billing support. Find help with Microsoft Store purchases, subscriptions, refunds, payment options, and checking your order history.

You can add your email signature automatically to all outgoing messages, or you can choose to add your signature only to specific messages. If you use both Outlook Web App and Outlook, you need to create a signature in each.

1. Sign in with your Microsoft account. You will be prompted to Sign in with Microsoft account. If you have an existing Microsoft account on your mobile device then you will be asked to confirm your account, then click Continue.. If you don't have an existing Microsoft account on your mobile device then you will be asked to sign into your account or create a new one, then click Continue.

Select Notifications to expand it, and turn notifications, banners, and sounds on or off for some or all notification senders.

找到要设置定期计费的订阅。 选择“打开定期计费”。 如果订阅旁边显示即将到来的付款日期，则说明已经打开了定期计费。 如果订阅已过期，选择“续订”。定期计费将自动打开。

Tip: Instead of inviting people to share a notebook, you can create a special link to the notebook that you can then copy and paste into an email, into a text message, or onto a webpage.On the Send Link pane, click Copy Link.Keep in mind, access to this link is controlled by the access set for sharing at the top of the Send Link pane.

Flag. Start date. Due date. Reminder. Today. Current date. Current date. One hour before the end time of today's work day. Tomorrow. Current date plus one day. Current date plus one day

Efficiency mode What is efficiency mode in Microsoft Edge? Efficiency mode is designed to help extend battery life. It minimizes power usage by reducing resource usage through modifying background tab activity and some foreground activity, as well as putting inactive background tabs to sleep after 30 minutes or less of inactivity (if Save resources with sleeping tabs is on).

Note: If you don't see Extensions to the right of your browser address bar, select Settings and more > Extensions.

Windows themes A theme is a combination of pictures, colors, and sounds that help you personalize your PC. The latest versions of Windows include many exciting desktop personalization features, such as panoramic themes that extend across two side-by-side monitors, and the ability to have your theme appear on your Start screen.