# Merge track files

> Source: https://topodrone.com/knowledge/topodrone-post-processing/merge-track-files/
> Section: TOPODRONE Post Processing
> Updated: 2025-11-26

The module is designed for trajectory stitching followed by point cloud generation in the LiDAR Cloud Generation module.  
To start the tool, select Track File Stitching in the Tools, Trim/Stitch tab. Then through the "Add" button select the trajectories to be merged.

![Merge track files](https://topodrone.com/knowledge/i/35da8d597985b7f1.jpg)

Select the Output folder where to save the merged trajectory and click "Start" to start the process. At the end of the process the program will display a message that everything is ready.

![Merge track files](https://topodrone.com/knowledge/i/4bf5d1c1be6d7906.jpg)