What is the compatibility between application and software version for a Premium PLC when opening the .STA file?

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Issue:
Compatibility between application versions and software versions for Premium PLC platform

Product Line:
Premium, Unity Pro, EcoStruxure Control Expert

Resolution:
The table below gives the compatibility between application versions and software versions:
Premium

Note: with restrictions below:

When an .STA file created with Control Expert or Unity Pro ≥ V7.0 contains extracted bits in DDT, the .STA file cannot be opened with Unity Pro version < V7.0.
When an .STA file created with Control Expert V15.0 Service Pack 1 or later is protected with the file encryption option, the .STA file cannot be opened with Control Expert V15.0 Classic and earlier.