1 Solution For All Your ADB File Issues

"How do I open ADB files if I don't have Unknown Apple II File, ExpressEnterprise Server Stamping File, or Alpha Five Database Information File software?" is one of the most popular questions we receive regarding ADB files. People spend hours searching for solutions to the most common issues they have when trying to open ADB files, often with no success. Congratulations, you've found the solution!

Why Do I Need Unknown Apple II File to Open ADB Files?


Unknown Apple II File is the main software used to open ADB files in binary format, but it's not the only one.

If you do not want this primary software, consider buying ExpressEnterprise Server Stamping File or Alpha Five Database Information File if you frequently have to open and work in ADB files. Of course, you may not want to spend a lot of money to occasionally open a single file extension. You can always look for free software to open your ADB files, but please be careful to avoid downloads that are tainted with malware or other unwanted software. It may not be that easy to spot, so run any download through a malware and virus checker.


It's not uncommon to receive error messages when you try to open ADB files. The file may be corrupt, in which case you will have to re-download a new copy.

Problems with ADB File Associations

File associations errors are also common and easy to fix. Simply choose the right software with which you open your file (Unknown Apple II File, ExpressEnterprise Server Stamping File, or Alpha Five Database Information File). You may have to get in touch with the relevant software developer if you still have error codes. See our chart below for a list of associated software programs and their developers:

Software Developer
Unknown Apple II File found on Golden Orchard Apple II CD Rom
ExpressEnterprise Server Stamping File Adlib Software
Alpha Five Database Information File Alpha Software Inc.
ACT! Activity Data File Best Software CRM Division
ADA Package Body PC Software Company
Advanced Integrated Maintenance Support System Runtime Project Configuration File (Raytheon Company) AIMSS
Alphacam Diecut VB Macro Planit
HP 100LX Organizer Appointment Database Microsoft Developer
ALLDATA Windows Programmer
CorelCENTRAL Address Book Corel Corporation
Ability Office Database Ability Software

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