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.

Learn how to delete and restore files in OneDrive. Recover deleted files or folders from the OneDrive recycle bin.

You can follow these steps if you're prompted to set up your security info immediately after you sign-in to your work or school account. You'll see this prompt only if you haven't set up the security info required by your organization.

See how to arrange all your open windows using the mouse, keyboard, or the Snap Assist feature in Windows.

A workbook is a file that contains one or more worksheets to help you organize data. You can create a new workbook from a blank workbook or a template. By default, a new workbook contains three worksheets, but you can change the number of worksheets that you want a new workbook to contain. You can also add and remove worksheets as needed.

Get to know your way around Windows 11, from where to search to how to stay organized. Watch the video and read tips about new features.

Google、Yahoo、iCloud、IMAP のメール、連絡先、予定表を Microsoft Cloud に同期する方法について説明します。

Explore subscription benefits, browse training courses, learn how to secure your device, and more.

Create a group for your project or team. Create a PLC group in Outlook (Office 365 Education) A Professional Learning Community (PLC) group is a type of Microsoft 365 Group that provides a shared space for educators to use for collaboration.

Here's how to get the Recycle Bin on your desktop: Select the Start button in the lower-left corner of the taskbar, then Settings.