How can I solve this failure to open CATPart?

Everytime I try to open a file it appears the same incident report:
Cannot open the file
extension
wrong application level

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2 Answers

you catia revision is lower compare to you file.

For Example.

Consider your catia is CATIA V5 R19, but if the file is CATIA V5 R20(higher version) means, you cannot open in CATIA V5 R19.

Please check the catia file revision.

 
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Thank you for answering vinoth.
The problem was that during the instalation the demo mode began running. I just needed to disconnect it.

 
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