These steps can help resolve the most common issues when you receive an Excel not responding error, Excel hangs or freezes when you launch it, or open an Excel workbook.

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.

Training: Sign in to office.com with your Microsoft personal, work, or school account. Watch this video to learn how.

That verification method isn’t working right now: Sometimes the block may be tied to the verification method you are using.Try using another verification method connected to your account. For example, if you are using SMS to verify yourself and are hitting a block, try using an alternate email that is connected to the account to receive your authorization code.

See how to install programs on Windows 10 from a CD or DVD, from the internet, or from Microsoft Store.

Learn how to join a Microsoft Teams meeting by link, calendar, channel, chat, or by calling in.

Copilot in Microsoft Teams meetings helps you capture and share the key points, action items, and outcomes of your online meetings.

How to track changes in Word using revision marks. Accept, reject, or hide changes made by others working in the file.

Here are some answers to the frequently asked questions about the OneDrive desktop app for Windows.

This page provides phone numbers of Microsoft customer service.