Can't rename files extensions

Lenovo G550 laptop computer - 2958hhu -...
January 2, 2010 at 02:37:13
Specs: Windows XP
I can't rename my files ,if i do this the window
appear like this "If you change a file name or
extension, the file may become unusable"

See More: Cant rename files extensions

January 2, 2010 at 03:17:04
So what is the problem? That warning is so you don't change something that should not be changed. You can ignore the warning and make whatever change you want. What file type are you trying to change and what are you changing it to?

Goin' Fishin' (Some day)

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January 2, 2010 at 07:54:29
A simple example for what Richard59 stated is, if you have a file named something.txt and you'll rename it to, no text editor will open the file by doubleclicking it.
But you still can open it in a text editor by staring the editor and goto File/Open.
Another example is something.exe renamed to something.txt. The .exe file is normally executable, but when it's renamed, you can't execute the file until you rename it back to something.exe.

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January 2, 2010 at 09:02:32
So, you CAN rename files if they are personal files, just don't change the file extension. The program that created the file originally needs that extension.

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