How to interpret .otares file in Delphi XE2?

Question

There is a new file [project-name].otares created in Delphi XE2.

The wiki says:

File with unknown resources generated during upgrade of pre XE2 project. (Unknown resources are resources that are not included in the build configuration, like version info, icon, manifest or styles.)

How I can read this binary file meaning. Which resources exactly haven't been migrated?

After opening the otares file with ResEdit tool I displayed the information I needed:

Answer 1

You can open the file in a resource editor, for example: XN Resource Editor, ResEdit, Resource Hacker, Visual Studio etc.