垃圾邮件和开放中继. 未经请求的商业电子邮件有时称为垃圾邮件或垃圾邮件。 垃圾邮件数量继续增加的main原因是，发送垃圾邮件的人几乎不需要发送任何费用;事实上，发件人甚至不必通过 SMTP (发送垃圾邮件，) 他们自己的 ISP 的电子邮件服务器发送垃圾邮件。

Encuentre artículos de ayuda y procedimientos para sistemas operativos Windows. Obtenga soporte técnico para Windows y obtenga información sobre la instalación, las actualizaciones, la privacidad, la seguridad y mucho más.

PCs originally built with Windows 8.1 are designed with technology that is about 10 years old. Once you move to a new PC, there will be many aspects of Windows that you will find familiar, but also with important software and hardware innovations and capabilities that were not available a decade ago.

Screen time reporting shows daily and weekly details about when and for how long your family member used their devices. Gain insight into the amount of time your family member spends on a particular social media app, game or web browser and decide whether you would like to enable screen time limits for any connected devices. To view screen time for a family member, tap Today, then Screen time ...

Select a condition, and what to do with the message based on the condition. For example, to move messages with a certain title to a specific folder, select the Subject contains condition, select Move the item to folder, select or create a New folder, and then select OK.

These commands give you the title of the document on the top of the page and a page number at the bottom of a printed document.

If you go to Settings > System > Display > Advanced display and your display doesn’t show as certified (it says Not found next to HDR certification), it might be because it doesn’t have an HDR certification, or the display manufacturer hasn’t published HDR certification information for your display.To find out if your display is HDR certified, visit the device manufacturer’s website.

The sign-in options in Windows serve various purposes to enhance your user account security and sign in convenience. You can access the sign-in options from the Settings app.

This article describes the formula syntax and usage of the HYPERLINK function in Microsoft Excel.. Description. The HYPERLINK function creates a shortcut that jumps to another location in the current workbook, or opens a document stored on a network server, an intranet, or the Internet. When you click a cell that contains a HYPERLINK function, Excel jumps to the location listed, or opens the ...

=RAND()*(b-a)+a. If you want to use RAND to generate a random number but don't want the numbers to change every time the cell is calculated, you can enter =RAND() in the formula bar, and then press F9 to change the formula to a random number. The formula will calculate and leave you with just a value.