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There will be a number of files inside e.g

_CreatorMetadata.txt has a list of when the project was saved, what version of Source was used and in more recent versions, who saved it. This example is from a regression test we have had for a long time:

Comparing two models

If you have two models, you can use a diff tool to quickly find where models have diverged. I'd recommend WinMerg: https://winmerge.org as a diff tool.

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