Unlock/expand sections in the XMCD files w/o Mathcad 15

[AP_10389227]

How to unlock/expand sections in the XMCD files if Mathcad 15 is no longer available?

[VladimirN]

You can attach your MC15 worksheet to the post so we can look at it.

[AP_10389227]

Unfortunately, I can't share the worksheet itself because it has privileged information. Below is a screen shot from the converter.