Explore OneDrive support, help, and learning resources. Learn how to protect your important files, documents, and memories with OneDrive.

Change the size of your desktop icons. To resize desktop icons, right-click (or press and hold) the desktop, point to View, then select Large icons, Medium icons, or Small icons.

PC または Mac に Microsoft 365 または Office 2019 をインストール、再インストール、またはライセンス認証する方法について説明します。

To open the Start menu—which contains all your apps, settings, and files—do either of the following: On the left end of the taskbar, select the Start icon.

Learn how to use Narrator, a screen-reading app built into Windows, with this complete guide and how-to articles.

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.

Learn about modems and Internet connections, security, sharing files and printers, and how to set up a wireless network in your home.

Microsoft is dedicated in making Microsoft Edge the best browser for shopping with features like coupons, price comparison, price history, ratings, reviews, and more.

Optimize the size of pictures and attachments for e-mail to avoid exceeding the maximum message size limits associated with most e-mail accounts.

How to user form controls in Excel to make data entry easier.