File extension [.ab2]
May 16, 2009file extension .ab2 functions as Parson’s Address Book , parson’s address book is an old application but still in used today. well basically ,In particular, look at the Program ID. Often a company will put the program’s name into the short ID that Windows uses to open registered file extensions. If that’s not the case, look at the complete path to the .exe file. Often, programs will install themselves into directories that give either the program or company name. The program name itself may also be used as the EXE file name such as file extension .ab2 These listings are particularly important since they represent listings that are in actual use by users who have sumbitted data to file extension and therefore these listings can point you to the most likely candidate should there be multiple entries in the file extension main database.
And yes, .ab2 is still in used for other address book applications not just parsons but other address book application can open .ab2 file. So if you see file having .ab2 extension don’t worry that is not a virus or worm.
