How to Manage File Type Associations in Firefox

Step-by-Step Guide

1. 1

   Step 1: Look closely at the e-mail attachment and try to find what kind of file it is.

   If they are one of those files PPS, PPSX, or PPSM they require the association.
   
   Install a free program PowerPoint Viewer from this official Microsoft page if you don't have it on your computer yet.
2. 2

   Step 2: Open Control Panel and find a Search window on the right hand corner.

   ,, The " file association" window will appear. ,, Make sure it shows "Microsoft PowerPoint Viewer" (or Microsoft PowerPoint) in the "current default" column. , Find "Microsoft PowerPoint Viewer (or Microsoft PowerPoint) and highlight it.
   
   Click on "OK" button to save. , You have created the association of your attachment file with the program in order to open such kind of attachments in the future. , You should be able to now.
3. 3

   Step 3: To go directly to the option type "file association" in the Search window as shown on image.

4. 4

   Step 4: Click on the option "Change the file type associated..." as shown on image.

5. 5

   Step 5: For convenience and speed click on the title "Name" and it will sort all the available extensions in alphabetical order.

6. 6

   Step 6: Find PPS extension on the list of extensions.

7. 7

   Step 7: If it doesn't show those programs: Click on the "Change program" button which will take you to the programs on your computer.

8. 8

   Step 8: Click on "Close" button to close the "association" window.

9. 9

   Step 9: Try to open your mail attachment again.

Detailed Guide

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