Vista File Extension Quirks
You may not notice this one at first since Vista does show some file extensions by default. Unfortunately, it doesn't show all of them.
I first noticed this when I had an index.htm file with some php code in it. On my be new Vista machine, it wasn't executing the php code. I could have put an addhandler line in the .htacces file but I couldn't find it. I figured I'd just rename it to index.php. When I looked at the file, it was listed as just "index" and, being a little tired, the light didn't go on at that point. I renamed the file from "index" to "index.php" and I got to see the index of the directory in my browser.
Finally, I figured out that Vista wasn't showing me the .htm extension (although it was showing me the .php extension). I had actually renamed the file to index.htm.php.
Reluctantly, I refrain from launching my tirade about software companies that want to protect you from yourself by hiding crucial information from you. Here's the fix:
Make Vista Show All File Extensions
- Press the Windows key and select Control Panel.
- Click on Classic View in the upper left
- Double click on FolderOptions.
- Click on the View tab.
- Uncheck Hide extensions for known file types (about halfway down the list).
- While you're there, see if there's anything else you want to change.
- Click Apply.
- Click OK.
Vista will now show you all file extensions.
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— Bob Ray