If you have purchased the full license or are setting up a trial to test the "Full" feature set, follow this guide:
: Previously, large surface (MMS) files were resaved every time a drawing was opened, even if no changes were made. In 2025, these files are only updated when surface modifications occur, dramatically reducing processing time, especially for users on Autodesk Construction Cloud (ACC). civilcad 2025 full
The version unlocks: