Add or subtract days, months, or years from a date by using a formula or date functions in Excel.

Get help for the account you use with Microsoft. Find how to set up Microsoft account, protect it, and use it to manage your services and subscriptions.

You can open an Excel workbook and collaborate with others at the same time using co-authoring. This article will explain how.

Choose how you want emails displayed in the message list, such as whether you want emails displayed as individual messages or as conversations.

Discover how to earn Microsoft Rewards points through various activities and redeem them for exciting rewards.

How to find and remove duplicates in Excel. Filter for unique values in large or small datasets to clean up your worksheets and workbooks.

In the following illustration, users can assign expenses in an expense report form to multiple categories by selecting check boxes in a multiple-selection list box.

Learn how to record or create macros and execute them using buttons or keyboard shortcuts in Microsoft Office applications.

You can add columns, rows, or cells to an Excel worksheet or delete them. Columns insert to the left, rows above, and cells above or to the left.

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