If you're unable to activate Windows 11, the Activation troubleshooter could help. To use the troubleshooter, select Start > Settings > System > Activation , and then select Troubleshoot . Open Troubleshoot settings. You must be signed in as an administrator to use this option.

Use data validation to restrict the type of data or the values that users enter into a cell, like a dropdown list. Select the cell (s) you want to create a rule for. Select Data >Data Validation. Whole Number - to restrict the cell to accept only whole numbers.

Find out how to choose between the 64-bit or 32-bit version of Office. Get answers to some common questions about 32-bit and 64-bit versions of Windows.

See your Google Calendar in Outlook. Outlook for Microsoft 365 Outlook 2021 Outlook 2019 More... By importing a snapshot of your Google calendar into Outlook, you can see it alongside other calendars in the Outlook Calendar View. To keep the imported calendar up-to-date, subscribe to the Google Calendar in Outlook.

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.

The best defense is awareness and knowing what to look for. - Be suspicious of emails and Teams messages that claim you must click, call, or open an attachment . Often, they'll claim you have to act now to claim a reward or avoid a penalty. is a common trick of phishing attacks and scams.

We've put together this article to describe fixes for the most common problems. Your Azure Active Directory (Azure AD) organization can turn on two-step verification for your account. When two-step verification is on, your account sign-in requires a combination of the following data: Your user name. Your password.