Is there an open-source alternative to Windows compound files? [closed]

Answer 1

Is the HDF5 File Format what you are looking for if you are building an application in C++

Answer 2

Some archive format (zip, bzip2) might do the job.

Answer 3

To extend J.F. Sebastian's answer, tar might be a better format due to it not compressing. It's literally just a container.

I'm not certain how any of these archive formats are at being editable though. Have a play with SharpZipLib and find out, I guess =)

Answer 4

A google search for "portable structured storage" yielded: pole