To edit a PDF, open it in Word. This works best with PDFs that are mostly text. PDFs of book chapters or something that looks like a manuscript from a copier won't be formatted well in Word.

Battery Life: Lowering your refresh rate can save battery power by reducing the amount of energy your display consumes.This can be useful when you are using a laptop or tablet and want to extend your battery life.

Tip: In Windows 7, you can synchronize your computer clock with an Internet time server to keep the computer clock up to date.To do this, select the date or time in the bottom right-hand corner of your screen, and then select Change date and time settings.Select the Internet Time tab, select Change settings, select Synchronize with an Internet time server, and then select Update now.

Note: The scan creates a backup file during the repair process.To change the default name or location of this backup file, in the Enter name of backup file box, enter a new name, or choose Browse to select the file you want to use. You may need to run the tool several times in order to repair your Outlook Data File.

The Program Install and Uninstall troubleshooter helps you automatically repair issues when you're blocked from installing or removing programs.

After you update a drop-down list, make sure it works the way you want. For example, check to see how to Change the column width and row height to show your updated entries. If the list of entries for your drop-down list is on another worksheet and you want to prevent users from seeing it or making changes, consider hiding and protecting that worksheet.

To check for any security issues, go to Windows Defender settings, select Show details, and check your security status.

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The following illustration shows how these keys are arranged on a typical keyboard. Your keyboard layout might be different. Typing text. Whenever you need to type something in a program, e‑mail message, or text box, you'll see a blinking vertical line ( ) called the cursor or insertion point.It shows where the text that you type will begin.

Use date and time functions to create formulas that return serial numbers, display a specific date or time, or that calculate the difference between dates or times.