I'll explain the following file extensions to you in a while:
- Main working file (*.QBW)
- Backup file types (*.QBB, *.QBM)
- Database support files (*.ND, *.DSN, *TLG).
Before that, let's begin by understanding how a software program reads data files. For example:
Software Program : Data File
MS Word : Filename.docx
MS Excel : Filename.xlsx
MS Powerpoint : Filename.pptx
Adobe Reader : Filename.pdf
Similarly, this is then how the QuickBooks program reads a data file:
QuickBooks : Filename.qbw
This filename.qbw is what we commonly call a QuickBooks company data file (or data file, or company file, or QuickBooks file in short). It is the main data file where all your company financial records are stored.
1. Main Working File (*.QBW)
In QuickBooks, with a company file opened, press F2 to call up a Product Information page like this:
What then are the file formats for QuickBooks backup files?