Invisible digital signatures in Word, Excel, or PowerPoint. An invisible digital signature, like a visible digital signature line, assures the authenticity, integrity, and origin of a document.

The XMATCH function searches for a specified item in an array or range of cells, and then returns the item's relative position. Assume we have a list of products in cells C3 through C7 and we wish to determine where in the list the product from cell E3 is located. Here, we'll use XMATCH to determine an item's position within a list.

Display a default value: Automatically display a specific date or date and time when someone adds a new item, while also allowing people to enter a different value if they need to do so.A default value helps people enter information faster. For example, if the column stores the date when an expense is incurred and most expenses are incurred on the first day of the fiscal year, you can specify ...

Training: With SharePoint Online, build intranet sites, create team or communication sites, find and follow news, and more. Watch this video to learn how.

You have two options for connecting your Xbox Wireless Controller to your console: using the console’s Pair button for a wireless connection and using a USB to micro-USB cable (or USB to USB-C cable) for a wired connection.

If your account has been hacked, use our sign-in helper tool below to help guide you to the right solutions. The tool will ask for your email address or phone number, and either show appropriate self-help, or offer the chance to talk to an agent.

Show Changes in Excel lets you see exactly what edits were made to your workbooks, so you can confidently allow others to collaborate on your work.

Microsoft 365、POP、IMAP、または Microsoft Exchange ベースのメール アカウントを利用できるように Outlook を設定する方法について説明します。

If your current version of Office is a one-time purchase (non-subscription) version of Office such as Office Home & Student or Office Home & Business, to upgrade, you'll need to buy the latest version.

To stay updated when a SharePoint document or an item on your site changes, create an alert. You can set up an alert for a list, library, folder, file, or list item.