Zkteco - Dat File Reader

Does your .DAT file look like or random symbols when opened in Notepad?

When you export data from a ZKTeco device via a USB flash drive (typically formatted to ), the system generates a .dat file. These are binary files containing:

To ensure the integrity and usability of your attendance data, consider adopting these best practices: zkteco dat file reader

If your attlog.dat file contains plain text when opened in Notepad, you do not need special software to convert it to Excel.

I can provide the exact steps or code needed for your environment. Share public link Does your

import csv input_file = "attlog.dat" output_file = "attendance_report.csv" # Define headers based on ZKTeco standard structure headers = ["User ID", "Timestamp", "Verification Method", "Punch State", "Work Code", "Reserved"] with open(input_file, 'r') as dat_file, open(output_file, 'w', newline='') as csv_file: writer = csv.writer(csv_file) writer.writerow(headers) # Write the header row for line in dat_file: # Split line by whitespace/tabs and strip extra spaces data = [item.strip() for item in line.split() if item.strip()] # Ensure it's a valid data row (combining date and time if split) if len(data) >= 5: # Recombining Date (index 1) and Time (index 2) if split by space user_id = data[0] timestamp = f"data[1] data[2]" ver_method = data[3] punch_state = data[4] work_code = data[5] if len(data) > 5 else "0" writer.writerow([user_id, timestamp, ver_method, punch_state, work_code]) print(f"Success! Parsed data saved to output_file") Use code with caution. Troubleshooting Common Issues

Select your attlog.dat file (you may need to change the file filter to "All Files . "). I can provide the exact steps or code

: Verification Mode (0 for Password, 1 for Fingerprint, 2 for Card, 15 for Face)