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  • Home >> How-To >> How to open files that have unusual file extensions

    How to open files that have unusual file extensions

    Imagine you just downloaded a file from the internet or have a file on your PC that has an extension that you have never seen before. Now, you want to know as to which program or application can open this? I had faced this problem few years back. For Instance: I downloaded games with some extensions ( .7z and .sif ) that I had never encountered it before. I wanted to install the game. So, I did R&D by searching in Google and found a website http://www.filext.com/

    Now, you have got a file with an unknown extension, what will you do?

    FILExt - The File Extension Source

    Just Go to http://www.filext.com and type the extension and it will search from its database and show the applications that can read your file extension, sometimes you may find more than one application that can open the file with that extension.

    I typed 7z in that site and came to know that if i download the software from http://www.7-zip.org/ then i can open .7z file. More about 7-ZIP file.

    http://en.wikipedia.org/wiki/List_of_archive_formats will show all available archive formats.

    Wait wait, there is a much more easier way.

    Make FILExt your default unknown file extension search tool:

    You go to FILExt Direct http://filext.com/fextend.php and download http://filext.com/filextextender/default-to-filext.exe

    What happens when you run FILExt Direct tool ?

    It will make some registry changes. Next time if you find a file with an extension that has no association (Under Windows XP if you double click on a file which Windows has no program association for you will be asked if you wish to find a program on your local computer or search the Internet. If you choose to search the Internet you are taken to a Microsoft page that directs you to a Windows Live search where you might find FILExt in the search results. Assuming the search contains the proper FILExt database page you finally come to the FILExt for that file extension)

    below is the screenshot:

    File with .bbc extension

    From now on (after executing the above default-to-filext.exe). If you choose to search the Internet, it will take directly to FileExt site.

    Leave a comments or suggestions if you have.

    How to view Docx files ?

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    1. Deepa says:

      Thanx a lot Nihar. Was facing this problem way too many times! Its like the system i’m using in office is MS 2007 and back at home its 2003 and i was having problems opening up any documents i’d send home bcos of compatibility issues and so used to try out different ways like copy the docs on notepad or save it as google docs, etc. This is so much easier!

      Meanwhile, how would you open a Powerpoint Presentation that is compatible with 2007 on 2003 windows?

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