# Problem in importing step files
**URL:** https://discourse.shapr3d.com/t/problem-in-importing-step-files/5029
**Category:** Modeling Questions
**Created:** [June 28, 2019, 6:23am UTC](https://discourse.shapr3d.com/t/problem-in-importing-step-files/5029 "2019-06-28T06:23:39Z")
**Posts on this page:** 2
**Page:** 1
### Author:  [@Hassan](https://discourse.shapr3d.com/u/Hassan)
#### Post date: [June 28, 2019, 6:23am UTC](https://discourse.shapr3d.com/t/problem-in-importing-step-files/5029/1 "2019-06-28T06:23:39Z")
Why most of the step files not opening , I have downloaded some step files the simple design opens fine but the files heaving size greater than 20mb just keep loading and never open
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### Author:  [@Victor\_Shapr3D](https://discourse.shapr3d.com/u/Victor_Shapr3D)
#### Post date: [June 28, 2019, 7:26am UTC](https://discourse.shapr3d.com/t/problem-in-importing-step-files/5029/2 "2019-06-28T07:26:48Z")
Hello Hassan, please send the files not opening to us via [support@shapr3d.com](mailto:support@shapr3d.com). We will further into the issue here and then get back to you as soon as possible. Thanks for your patience.