How to Change Your Default PDF Viewer
Changing your default PDF viewer means selecting the program that automatically opens when you double-click a PDF file. By setting your preferred PDF viewer as the default, you can ensure that your PDFs open in the program you find easiest to use. This can save you time and make your work more efficient.
Changing your default PDF viewer is a simple process that can make managing your files much easier. By following these steps, you can ensure that your PDFs open in the program you prefer, saving you time and effort.
How to change default PDF viewer
- Open Settings: Start by opening the Settings menu on your computer. You can do this by clicking on the Start menu and selecting the gear icon.
- Go to Apps: In the Settings menu, find and click on the ‘Apps’ option. This will take you to a new menu where you can manage your installed programs.
- Default Apps: In the Apps menu, look for the ‘Default apps’ section. Click on it to see a list of default programs for various file types.
- Choose Default by File Type: Scroll down and find the option that says ‘Choose default apps by file type’. Click on it to see a list of file types and their associated default programs.
- Find .pdf: Scroll through the list until you find the .pdf file type. Next to it, you’ll see the current default program.
- Change the Default Program: Click on the current default program next to .pdf. A list of available programs will appear. Select the program you want to use as your default PDF viewer. If your preferred program isn’t listed, you might need to install it first.
- Confirm Your Choice: After selecting your preferred program, it will now be set as the default PDF viewer. You can close the Settings menu.
How to use Copilot to keep meeting minutes and action points (updated 2026)
Managing emails efficiently can be a daunting task. Copilot in Outlook can enable you to catch up, prepare and follow-up with ease. Read more. Read more
What is Microsoft Copilot?
Microsoft Copilot is the new AI-powered assistant that promises to enhance productivity for businesses using 365 products. Read more
How to use Microsoft Copilot in Excel
Managing huge data sets and organising multiple spreadsheets is often time-consuming and tedious. Microsoft Copilot offers teams a powerful tool for streamlining data analysis and a range of other tasks within Excel - we show you how. Read more
How can AAG help you with your IT Support?
Related stories
Browse more articles from our experts and discover how to make better use of IT in your business.
Welcoming Debar to AAG
We're delighted to welcome Debar as a new partner of AAG, delivering IT support in Bradford for their growing manufacturing business. Read more
Important Changes to Cyber Essentials
Cyber Essentials renewals in 2026 may require more preparation than in previous years. Read more
How AAG IT retained ISO27001 certification in 2026
AAG have successfully retained our ISO27001 certification after an external audit. Huge well done (and thanks) to everyone at AAG, read more. Read more








