
See screenshot above:įrom now on, all files of the specified file will be opened with the new program by default, including this type of Outlook attachments. And finally close the Set Association dialog box. Now in the popping up dialog box, please click to select the new program you will open the specified type of files with, and click the OK button. set the default value to something like ''C:\Program Files\Internet Explorer\iexplore.exe' 1'. csv in my example), and then click the Change program button. if you don't have a domain and since it is only three machines, you could set it up per machine (which will affect all users on that machine) using the registry: HKEYLOCALMACHINE\SOFTWARE\Classes\http\shell\open\command.

You can also right-click, Ctrl-click, or two-finger clicking the file and select Get Info. Just click on one of the files and choose File > Get Info from the main menu or use the Cmd+I keyboard shortcut. It’s really easy to change the default application a type of file opens in. In the Set Associations dialog box, please click to select the extension of the specified file type (. Changing the Default Application for File Types in OS X. Now you get into the Default Programs dialog box, please click the Associate a file type or protocol with a program option. Please open the Default Programs in Control Panel with opening a folder and pasting below path into the address box:Ĭontrol Panel\All Control Panel Items\Default ProgramsĢ.

You can also associate the specified file type of Outlook attachments to a program in Control Panel to change the default programs of opening specific kind of Outlook attachments.ġ.
