Zkteco Dat File Reader — Best

Older or standard Linux-based ZKTeco terminals output the .dat file as a plain text file with tab-separated columns or fixed widths. If you open it in Notepad, it looks like this: 1 2026-05-22 08:30:15 0 0 0 0 2 2026-05-22 08:31:02 0 1 0 0 Use code with caution. Each column represents specific transaction data: : User ID (Enroll Number) Column 2 : Timestamp (YYYY-MM-DD HH:MM:SS)

Select (often saved as attlog.dat ).

This is just one possible layout. Depending on the specific device model and software, the structure could be entirely different. This is why using a purpose-built tool is far more efficient than trying to manually decode the raw file.

The ZKTEco Data File Reader offers a range of features that make it an indispensable tool for working with ZKTEco data files. Some of the key features include: zkteco dat file reader

: A web-based solution for larger enterprises that can handle hundreds of devices and sync attendance data.

Fingerprint templates, face IDs, and user profiles.

For those needing to integrate ZKTeco data into custom applications, several third-party libraries can parse DAT files or communicate directly with the devices: Older or standard Linux-based ZKTeco terminals output the

The attlog.dat file is a plain-text or binary-encoded file generated by ZKTeco biometric devices. It acts as a local ledger, recording every punch-in and punch-out event. Common File Names

: Once imported, you can preview the transaction logs and generate reports directly in the software. Manual Conversion to Excel

The official and most reliable way to read these files is by using ZKTeco’s proprietary software, such as or ZKTime 5.0 . Step-by-Step Extraction: Insert your USB drive into your computer. Open your ZKTime software. Navigate to the Data or Device management section. Select Import Attendance Logs from USB . This is just one possible layout

The software extracts the text and maps out the structured database fields.

The files (e.g., attlog.dat ) will be in the root directory of the USB drive. Methods for Reading and Parsing ZKTeco .DAT Files