Exact

File Format
Name	Exact
Ontology	Electronic File Formats Finance and Accounting Exact
Extension(s)	.dat, .id, .lst

Dutch company producing ERP, CRM, HRM, financial, accounting and business software.

Accounting software

Exact for DOS v4.x - v7.x

please note that the mentioned version numbers for these types of files are assumed based on preliminary research [1] since EFS is a proprietary file format. Details follow. (Maurice.de.rooij (talk) 03:59, 16 November 2012 (UTC))

Extensions

A yearbook consists of 3 files:

• dat: file containing binary data (EFS format ("Exact File System"))), possibly encrypted with at least a username and/or password
• id: file containing mixed binary and human readable data to identify the yearbook
• lst: file containing mixed binary and human readable data with fieldnames from the yearbook

Resources

• Exact products and supported platforms, Office products and database systems
• Exact for DOS file structure discussion about DAT files (Dutch)