Windows 7 create new file type association

Once you have selected your preferred program, click " OK " to change the file association. NOTE: The " Always use the selected program to open this kind of file " option is automatically selected in Method 2 and cannot be unchecked.

This is because the Set Associations control panel is used to make system-wide file association changes. While these two methods allow you to manually change file associations, they can be modified in other ways as well. For example, when you open a Web browser , it may ask if you want it to be the default program for all Web-related files.

If you select "Yes," the program will update all the corresponding file associations for you. Similarly, some software installers automatically configure the newly installed program as the default program for each file types it supports.

Enter a HelpDesk Request. In Default Programs, you can: Hide all Set your default programs Use this option to choose which programs you want Windows to use, by default. You can choose the programs that Windows uses by default If a program does not show up in the list, you can make the program a default by using Set Associations. Click Associate a file type or protocol with a program. Click the file type or protocol that you want the program to act as the default for. Click Change program.

If you don't see the program you want to use as the default, click the arrow next to Other Programs to see a list of programs available on your computer 6. You may see a prompt that says if you change the extension, it may make the file unusuable.

That's OK.. Click OK. Now then, you've got a text file with the name Test. FOO sitting somewhere. The next to do would be to click on the file to open it. You should see a dialog box that now says something to the effect of Windows doesn't have a clue about what to do with this file. Do you want to search the internet for something or do you want to pick one from a list. Click on Select a program from a list of installed programs.

This will pop up another dialog box with a list of programs. Make sure that there IS a check in the box that says "Always use this program to open this kind of file. If I understood correctly you want notpad to be the default opener for php files. Leave the file type mappings unchanged at uninstall time. Leaving file type mappings unchanged avoids the need to have conditional code that only removes the file type mapping if the value still points to your ProgID. It is important to avoid doing so in cases where it might have been changed by another application and you thus cannot easily remove the value.

Specify a unique value for the file type description of each file type ProgID by doing one of the following:.