Learn how to set up Microsoft Family Safety to manage screen time, filter content, and share location with your family members.

Instead of using a calculator, use Microsoft Excel to do the math! You can enter simple formulas to add, divide, multiply, and subtract two or more numeric values.

Warning: Excel provides the DATEDIF function in order to support older workbooks from Lotus 1-2-3.The DATEDIF function may calculate incorrect results under certain scenarios. Please see the known issues section of this article for further details.

Other features. Double Pinyin can assign longer vowel groups to consonant keys as shortcuts and zh, ch, sh to vowel keys as shortcuts. In this way, when the input method expects a vowel, you can use these shortcuts to speed up typing. Find Double Pinyin settings in IME settings > General.

Learn how to protect your Windows devices and personal data from viruses, malware, or malicious attacks.

Learn how to enable Adobe Flash in Microsoft Edge. By pressing submit, your feedback will be used to improve Microsoft products and services.

Learn how to block someone or add email addresses to the safe senders list in Outlook on the web.

Create a new mail profile that contains information about your accounts and data files.

With the Microsoft Forms Quick Poll add-in for Outlook or Outlook Web App, you can create a poll in seconds right within an email message.

Use family safety settings to block inappropriate websites and searches on Windows, Xbox and mobile devices.