There are several paths you can take to decode these files, ranging from simple official software to custom scripts for developers.
This comprehensive guide explains exactly what a ZKTeco DAT file is, how to read it using various methods, and how to automate the data extraction process. What is a ZKTeco .DAT File?
Click to view your cleanly formatted attendance spreadsheet. zkteco dat file reader
If you manage a ZKTeco biometric attendance machine, you have likely encountered the standard file. ZKTeco terminals use this specific file format to save employee clock-in and clock-out logs.
This guide explains how to read, open, and convert ZKTeco .DAT files effectively. What is a ZKTeco .DAT File? There are several paths you can take to
: This function extracts logs directly from the device memory.
: The file typically includes User IDs, timestamps (Check-in/Check-out), and verification modes (fingerprint, face, or card). Click to view your cleanly formatted attendance spreadsheet
I tested a few of these readers (standalone EXEs and web-based tools) over the past month. Here’s my honest take:
Often, these terminals are not networked, requiring administrators to download attendance logs onto a USB flash drive. This data usually arrives in a .dat format—specifically attendance.dat or user.dat . However, you cannot directly open this file in Excel.
The Ultimate Guide to ZKTeco .DAT File Readers: How to Open, Extract, and Convert Attendance Log Data