Junk email and open relays. Unsolicited commercial email is sometimes called junk mail or spam. The main reason that junk email continues to increase in volume is that it costs the person who sends it virtually nothing to send; in fact, the senders don't even have to send the junk email through the SMTP (outgoing) email server of their own ISP.

If you need to develop complex statistical or engineering analyses, you can save steps and time by using the Analysis ToolPak. You provide the data and parameters for each analysis, and the tool uses the appropriate statistical or engineering macro functions to calculate and display the results in an output table.

After you have completed working in Page Layout view, on the View tab, in the Workbook Views group, click Normal.. You can also click Normal on the status bar.. You can insert page numbers for a worksheet in Page Layout view, where you can see them, or you can use the Page Setup dialog box if you want to insert page numbers for more than one worksheet at the same time.

Turn off your Xbox by pressing the Xbox button on the front of the console for about 10 seconds, until it shuts down completely.; Unplug the console's power cable. Wait 10 seconds. Plug the console power cable back in. Press the Xbox button on your console to turn it back on.

When a folder is added to Favorites, it’s a shortcut to the folder.The actual folder and its content remains at the original location in the folder list. Removing a folder from Favorites doesn’t delete the folder or contents—it removes only the shortcut that appears in Favorites.. By default, when a folder is added to Favorites, it appears at the bottom of the list.

此错误意味着设备驱动程序、设备内存或设备上的防病毒软件可能存在问题。 你可以尝试以下操作： 请通过检查最新的 Windows 更新，确保你的驱动程序是最新的。

如果 or 函数的任意参数计算为 true，则其返回 true；如果其所有参数均计算机为 false，则返回 false。. or 函数的一个常见用途是扩展执行逻辑测试的其他函数的有效性。 例如，if 函数会执行逻辑测试，并在测试计算为 true 时返回一个值，在测试计算为 false 时返回另一个值。

The quickest route to our developers’ ears is right from within Office for the web. And if you want, you can even tell us your email address in case they need to contact you for clarification.

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If you can't sign into your Microsoft account, most issues can be identified by our sign-in helper tool. The tool will ask you to enter the email address or mobile phone number you're trying to sign in with and check the details you provide.