Tech. questions

Questions:

How can I open .frf-files (from FastReport 2.*) in FastReport 3?

Is the way for program converting from FR2 to FR3

How to build composite reports without using '*.Fr3' files?

Whether there is a converter of projects FastReport 2.xx in FastReport 3?

How can I open .frf-files (from FastReport 2.*) in FastReport 3?

Can FR 2.x and FR 3 coexist or I need to uninstall fr2 before installing fr3?

Whether there is a converter of projects FastReport 2.xx in FastReport 3?

Is the way for program converting from FR2 to FR3

How to build composite reports without using '*.Fr3' files?

Where is frPrintGrid in FR3?

frxGZipCompressor. What is this component for?

How to print report not show it?

What use FR in multithread program?