Please Note: MESCIUS (formerly GrapeCity) follow the Microsoft "It Just Works" compatibility for their ActiveX controls for Windows 7, 8, 10 and 11, Window Servers 2008, 2012, 2016, 2019. Due to changes in the Windows operating system, and end of support from Microsoft, they can no longer provide maintenance builds of any ActiveX control.

Full support for ActiveX Edition ended December 31, 2023. You can still download and license the last version of ActiveX Edition from the C1ControlPanel application.

From January 1st 2024 licenses can still be purchased however only licensing support will be provided. The MESCIUS ActiveX forum will remain open indefinitely, and the knowledge base will continue to be populated with existing solutions.