Hi Parth,
Greetings from Syncfusion Support.
By default, when the sum of columns width exceeds the grid element width then the horizontal scrollbar will appears. And we are unable to reproduce the reported issue at our end, Please refer to the sample link below.
Still facing an issue, please get back to us with the below details.
- Share you screen resolution
- Share the complete tree grid rendering code.
- Confirm whether are you using any custom css. If yes, please share those details.
- If possible, reproduce the reported issue in the shared sample Or share the issue reproducible sample.
Provided details, will help us to resolve the reported issue as early as possible.
Regards,
Manivannan Padmanaban