accessing catia files saved in higher versions to lower versions

im trying to open a catia file.part but i'm getting an error report(incident report) saying wrong application level,invalid data structure blah blah blah....plz anybody help me i'm using catia v5 r16..

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3 Answers

You can´t open a newer release than R16. So if the modell is build with R17 - R21 you have no chance. In my view it is NOT possible (like ms word) to save in an "older version".
Only save as IGS is possible, but you will lost the structure of the part...

best regards

 
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Mr. Abhijeet, You have answered how to save R21 file as a lower version. But what if I am in need of opening an R21 file in R20? Is that possible?

 
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