Reputation-based protection. Reputation-based protection leverages what Microsoft knows about various sites, services, and publishers, as well as threats we've seen in action to help protect you from malicious or potentially unwanted apps, files, or websites.

If you get an email from Microsoft account team and the email address domain is @accountprotection.microsoft.com, it is safe to trust the message and open it.. Microsoft uses this domain to send email notifications about your Microsoft account.

Listen to text in your documents, messages, presentations, or notes using the Speak command.

At Microsoft, we're guided by our AI principles, our Responsible AI Standard, and decades of research on AI, grounding, and privacy-preserving machine learning.Data privacy and security is a key principle of responsible AI. We aim to help our customers use our AI products responsibly, sharing our learnings, and building trust-based partnerships.

How to hide and unhide columns and rows in an Excel worksheet. Restrict access to only the data you want to be seen or printed.

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

Decide what kind of team you want this to be. To limit content and talk to a certain group of people, choose Private.. For a community or topic that anyone in the org can join, choose Public.If your organization uses data classification, select your team's sensitivity label as well.

Return to Normal view. To return to Normal view after you finish working with the page breaks, on the View tab, in the Workbook Views group, click Normal.. You can also click Normal on the status bar.. After working with page breaks in Page Break Preview view, you may still see the page breaks in Normal view because page breaks have been turned on automatically.

发布时间：2021 年 8 月. 本文适用于由于电脑当前无法安全启动而无法升级到 Windows 11的用户。 如果你不熟悉此级别的技术详细信息，我们建议你查阅电脑制造商的支持信息，获取特定于你的设备的更多说明。

When you run Excel in safe mode, it bypasses functionality and settings such as alternative startup location, changed toolbars, startup folders used by Excel, Excel add-ins, and most COM add-ins. While add-ins can enhance your experience, they can occasionally interfere, or conflict with Excel. You can safe mode troubleshoot in one of two ways: