Learn how to change color and contrast on your computer to make things easier to see and read on the screen. You'll learn what to do, for example, if your screen is too bright, the mouse pointer seems to disappear against the background, or if the items on your screen look blurry.

The 16:9 widescreen setting is the default value for new presentations you create. When you change the slide size for a presentation, the size you choose only applies to that presentation. You can also change the orientation of all the slides in your presentation. See Change the page orientation for instructions.

Add or update the fill and border colors of a shape or text box in your documents.

There are different ways to remove apps and programs, so if you can't find the one you're looking for, you can try another location. Note that some apps and programs are built into Windows and can't be uninstalled.

Find answers to top questions about upgrading to Windows 11, from the minimum hardware requirements to where to find the upgrade.

One way to apply shading to alternate rows or columns in your worksheet is by creating a conditional formatting rule. This rule uses a formula to determine whether a row is even or odd numbered, and then applies the shading accordingly.

Change your document's header or footer text, remove the first page header or footer, add page numbers, images, or change colors and fonts on headers and footers.

You can use a picture as a worksheet background for display purposes only, or you can mimic a watermark that will be printed.

Learn how to control HDR settings in Windows, turn on HDR, and troubleshoot common problems with HDR-capable displays.

Change the transparency (or opacity) of an entire picture in Office. You can choose from seven preset transparency options for your picture, or you can customize the transparency percentage.