You might try the Legacy Project File settings..
https://help.autodesk.com/view/INVNTOR/2025/ENU/?guid=GUID-FBA3E557-EB71-41DC-AB2F-8F794C1F2875
I've never used them. If I recall correctly, their usage was discouraged in the Inventor help file back when we started. Inventor 9 or so?
My first instinct would be to use Pack-N-Go to copy the production files to a secondary workspace and do my design exploration there. Once I figured out how the design needed to change, I'd spin up a second instance of Inventor, scoped to the production project workspace and remodel. If I knew exactly which files were altered, then I might copy them from the secondary workspace to the primary one. I'd want the backup system to capture snapshots of the production at least twice a day, just in case I need to revert changes.
Users will have to be very aware of which workspace/project file they are using and which one is the known-good production source.
Maybe each user could run some iLogic/VBA code that could set the open files to Read-Only before making any modifications?
Steve Walton
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Inventor 2025
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