Learn how to add Teams meetings to Outlook calendar using our step-by-step guide. Say goodbye to scheduling headaches and hello to seamless collaboration!

Get started with Microsoft Teams (free). Explore your options, find out what’s new, browse help topics, and more.

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.

Multiple IF functions can be nested together to allow for multiple criteria. The Excel IF function statement allows you to make a logical comparison between a value and what you expect by testing for a condition and returning a result if True or False.

Troubleshoots and fixes common issues with security and malware prevention in Windows.

See all the options to create or add illustrations and images to your documents.

Appends arrays vertically and in sequence to return a larger array. Syntax =VSTACK(array1,[array2],...) The VSTACK function syntax has the following argument:

Add a password to protect your entire workbook and control whether others can open or make changes to it. Protect your file by setting passwords for Open and Modify.

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 save and share Office documents online with OneDrive or Microsoft 365. Find solutions for common upload issues and errors.