A PCB file is a data file containing a circuit board design, and stands for "Printed Circuit Board." You don't need the program that was used to create the file; several Windows applications with PCB ...

OST (Offline Storage Table) files are Microsoft Outlook data files that store an offline copy of your mailbox data, such as emails, contacts, messages, notes, etc. While you can access and view OST ...

As the name implies, IMG files contain replicas of programs and other forms of data. The information in an IMG is compressed to allow more data to fit in a smaller package. They're especially helpful ...