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ScanUse our list of free web tools to improve your PC's performance.


File Extension List

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Click the green download button above to scan and repair File Extension related errors in the Windows registry - then open your file!

Several different programs use LIST files for a variety of purposes. In most cases, LIST files are text files containing ... read more about .LIST file extension types at the filetonic library.

Download this free registry scanner and find out just how clogged your Windows registry really is.

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File Extension Introduction
Quick facts about file extension errors and how to open unknown file types.
What Is a Registry Cleaner?
What is the Windows Registry?
How Does a Registry Cleaner Know That Something is Undesirable VS. Something That I Need?
What Makes the Best Registry Cleaner Different Than All of the Others?
Do I need a Registry Cleaner?
How Do Registry Cleaners Help the Performance of My PC?
What are File Extensions?

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11 Responses to “File Extension List”

  1. 001   Carolyn

    I can't download the free scanner. I get an error message that this file does not have a program associated with it to perform this action. Create an association in the Folder Options control panel. Please help!

  2. 002   Celeste Stewart

    Hi Carolyn,
    The file should be an .exe file which is self executing. Try downloading the file and saving it to a location on your computer such as your Desktop or My Documents rather than choosing Run. Then go to the location where you downloaded it and doubleclick the file called RegCureSetup_1501_RW.exe.

    Let me know if you can get to this point or not. - Celeste

  3. 003   Morton Zeman

    How to close firefox?

  4. 004   Celeste Stewart

    Is it stuck? YOu should be able to click the Red X in the upper right corner. I'll ask one of the tech jocks that uses Firefox to assist.

  5. 005   Celeste Stewart

    You can also close Firefox by going to the File menu and choosing Quit

  6. 006   Monique

    I recently created a document in printshop on a computer at my office. I saved it to disc and brought it home to complete however, I get a message saying cannot not open this .pmo file windows needs to know what program created it. I have the exact same program on this computer. Any suggestions?

  7. 007   Celeste Stewart

    Here's some advice about the PMO file problem:

  8. 008   PaleDeer

    Why can't I open this program for letters?
    it's .swx. I have no clue what that is, it worked the last time I used, now it won't.

  9. 009   Celeste Stewart

    Hello PaleDeer,
    Here's some information that should help:
    Thanks! The Team

  10. 010   laurie

    How do I open attachments I receive via email that are .unk files?

  11. 011   Celeste Stewart

    Hello, here's some information that should help:
    Thanks! The Team

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