# MAXACTVP System Variable [GstarCAD 2025](Help%20System/GSTARCAD/2025/Index.md) → [System Variables](Help%20System/GSTARCAD/2025/System%20Variables/(System%20Variables).md) **Function Description:** The MAXACTVP system variable is used to set the maximum number for active viewports at one time in a layout. | | | | --- | --- | | Type | Integer | | Saved in | Drawing | | Initial value | 64 | The MAXACTVP does not have effect on viewport number for plotting. --- [Original help](https://www.gstarcad.net/help/GstarCAD_2025_en-US/detail/systemVariables/MAXACTVP.html) · © Gstarsoft Co., Ltd.