In the search box on the taskbar, type Create a restore point, and select it from the list of results.

Office ライセンス認証エラーのトラブル シューティングと修正方法。

How does multifactor authentication work? Let's say you're going to sign into your Microsoft account or work or school account, and you enter your username and password.If that's all you need then anybody who knows your username and password can sign in as you from anywhere in the world!

Note: Offers vary by country.Be sure to redeem your rewards points in the same region you signed up in. Do not use a VPN while trying to redeem points. When redeeming points, use a mobile or landline phone number for authentication and not a VoIP phone number.

Select the History tab, and choose how you want to view your history by selecting a filter from the menu.To delete specific sites, right-click a site from any of these lists and then select Delete.Or, return to a page by selecting any site in the list.

Why does my reading pane have a dark background? When dark mode is turned on, the reading pane has a dark background to reduce eye strain. You can make the reading pane brighter by selecting at the top of the reading pane. If you don't see the button, select .

The CONCAT function combines the text from multiple ranges and/or strings, but it doesn't provide delimiter or IgnoreEmpty arguments. CONCAT replaces the CONCATENATE function.However, the CONCATENATE function will stay available for compatibility with earlier versions of Excel.

Get in touch with Microsoft Support for assistance with Microsoft products and services.

For info on how to properly care for the power cord and power supply, see Clean and care for your Surface.. Safety and regulatory information. To view the safety and regulatory information for Surface and Surface power supplies, including shipping information and AC power cord safety, see Product safety warnings and instructions.. Where to find a power supply

If you need to sum a column or row of numbers, let Excel do the math for you. Select a cell next to the numbers you want to sum, select AutoSum on the Home tab, press Enter, and you’re done. When you select AutoSum, Excel automatically enters a formula (that uses the SUM function) to sum the numbers. Here’s an example.