Using formulas in calculated columns in lists can help add to existing columns, such as calculating sales tax on a price. These can be combined to programmatically validate data.

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.

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

Get more information about managing your Xbox subscriptions, issues with billing, and more.

Cookies are small pieces of data stored on your device by websites you visit. They serve various purposes, such as remembering login credentials, site preferences, and tracking user behavior.

Step 2: Add and format content controls. On the Developer tab, click the control that you want to add.

对于 Project 或 Visio 的批量许可证版本，请使用 Office 部署工具 (ODT) 安装即点即用版本. 如果拥有 Project 2016 或 Visio 2016 的批量许可证，且正在尝试安装 Microsoft 365 企业版应用 的即点即用版本，可以使用 Office 部署工具下载并安装 Project 2016 或 Visio 2016 的即点即用永久（独立）版本。

To capture someone's attention in an email or meeting invite, type the @ symbol followed by their name within the message or invite. Doing so will highlight their name and prompt Outlook to add them to the To line, ensuring they notice, and add the @ symbol next to their message in the Inbox.

To get support in Outlook.com, click here or select Help on the menu bar and enter your query. If the self-help doesn't solve your problem, scroll down to Still need help? and select Yes.. To contact us in Outlook.com, you'll need to sign in.

A message that is encrypted by Microsoft 365 Message Encryption is delivered to a recipient’s inbox just like any other email message. If the recipient has Outlook 2016 and a Microsoft 365 email account, they'll see an alert about the item's restricted permissions in the Reading pane.