There are now two versions of Outlook for Windows: new Outlook for Windows and classic Outlook for Windows. To determine if the Outlook for Windows version you're using is new Outlook or classic Outlook, check if there's a File tab on the ribbon. If File doesn't appear, you're using new Outlook.If you have a File tab, you're using classic Outlook.

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At the bottom of the View and manage Office Add-ins, make sure the Manage box shows COM Add-ins, and then choose Go. As a precaution, when the COM Add-ins listing of your current add-ins opens, do one of the following: Manually record the title of every selected add-in listed under Available Add-ins. or.

If your Surface device or accessory is no longer covered by Microsoft’s Limited Warranty or a Microsoft Protection Plan, you may be eligible for out-of-warranty service for a fee.

As an employee, IT worker, or end-user, set up authentication for your work or school account, reset your own password, set up and join devices, set up the Microsoft Authenticator app, and use the My Account and My Apps portals.

The IFS function checks whether one or more conditions are met and returns a value that corresponds to the first TRUE condition. IFS will allow you to include up to 127 pairs of conditions (the test if something is True and the result if something is true). IFS can take the place of multiple nested IF statements.

If you receive an email notifying you of unusual activity, you can see when and where your account has been accessed—including successful sign-ins and security challenges—on the Recent activity page. Microsoft learns how you usually sign in to your account and flags events that are suspicious.

Windows 安全中心应用是集成到 Windows 中的综合安全解决方案，旨在保护设备和数据免受各种威胁。 它包括Microsoft Defender防病毒、Windows 防火墙和智能应用控制等功能，这些功能协同工作，提供针对病毒、恶意软件和其他安全威胁的实时保护。

Training: Get started quickly on all of your favorite Microsoft 365 apps with our popular Quick Start guides.

Saying “delete” by itself removes the last word or punctuation before the cursor. Saying “delete that” removes the last spoken utterance. These tips work with the web version of OneNote: You can bold, italicize, underline, or strikethrough a word or phrase. An example would be dictating “review by tomorrow at 5PM”, then saying “bold tomorrow” which would leave you with "review ...