Whether it’s a new job title (congratulations!) or a phone number change, make sure you keep your email message signature up-to-date. If you're using new Outlook, for more information about email signatures, or if you haven’t created one yet, see Add a signature to messages.. Select File > Options > Mail > Signatures.

Check your computer's date settings. Excel uses your computer's date system. If a cell's date isn't entered using the same date system, Excel won't recognize it as a true date.

Note: If a document has been shared with you for review, you may not be able to turn off Track Changes.If you want to edit the document without tracking changes, you’ll need to either save a copy or ask the person who sent it to you to share it again with review mode turned off.

We would like to show you a description here but the site won’t allow us.

Training: Watch these videos to help your school, work, or organization use Microsoft Teams to video conference, work remotely, and become proficient using Teams.

Under Customize toolbar, for Show favorites bar, do one of the following:. To turn on the favorites bar, select Always.

提示: 可以使用任何电话号码来请求安全代码。. 电话号码不需要与你的帐户关联。. 手机不需要是智能手机，也不需要连接互联网，只需要能够接收短信。. 你可能需要创建新密码。 阅读有关如何创建强密码的提示。. 如果看到“该 Microsoft 帐户不存在”错误消息，请使用 Microsoft 帐户登录帮助程序。

Add an interactive checklist. Checklist is a feature that allows you to insert an interactive list in Word for Web. You can check and uncheck the checklist and keep track of the tasks that you are performing.

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

Follow the news you choose! Get the day's top news and breaking news from the industry's best sources. Stay updated on any topic you care about, from global events to your local news.