Outlook on the webは、組織で使用される Outlook の Web ベースのバージョンです。この Web ベースのバージョンの Outlook にアクセスするには、職場または学校アカウントでサインインする必要があります。

Structured references make it easier to use formulas with Excel tables by replacing cell references, such as C2:C7, with predefined names for the items in a table.

How to sort and organize your Excel data numerically, alphabetically, by priority or format, by date and time, and more.

Experience the web in a whole new way by switching to the Microsoft Edge browser from Internet Explorer or Microsoft Edge Legacy. Move to Microsoft Edge

Learn how to use Feedback Hub to report problems or send suggestions to Microsoft.

Find out how to access OneDrive settings and pause features with the OneDrive Activity Center. Learn how to customize your cloud storage and file sharing preferences.

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.

If you get an email about unusual activity on your Microsoft account, or if you’re worried that someone else might have used your account, go to the Recent activity page.You’ll see when your Microsoft account was signed in during the last 30 days, along with any device or app-specific info.

To help improve your privacy in Excel, a password adds protection to worksheets to help prevent others from changing, moving, or deleting important data.

Add or edit hyperlinks to web sites, local files, email messages, or anchor points in your document.