In Outlook, the black color theme includes dark mode, which provides a black background (instead of white) for the message window. You can switch to a white background for the message window if you prefer.

Create a system restore point. Communities help you ask and answer questions, give feedback, and hear from experts with rich knowledge.

Search for files. Looking for an older file? Search is a powerful tool to find all your online files. Type a word or phrase in the Search box.

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

Use Excel to create a chart from scratch or with recommended charts. Learn how to add a trendline and customize your chart style.

Turn on Focused Inbox, and move items between Focused and Other folders, Includes instructions for new Outlook, classic Outlook, and the web versions of Outlook.

Learn how to download, install, and configure Language Accessory Packs for Microsoft 365 to add additional display, help, and proofing tools to Microsoft 365.

Learn how you can use different Microsoft accounts and account profiles side by side.

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.

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