I may have run across a bug in Mac OS X's Archive Utility (the process that ZIPs files when you select "Create Archive" from the Finder's contextual menu).
I have a folder full of iMovie source files that I want to archive. The folder itself is just over 7 GB in size. I won't need these files anymore, but don't want to get rid of them. Normally what I do in this situation is simply create a .zip file from the folder and move it to an archive's directory.
However, in this case, when I select "Create Archive" from the Finder's contextual menu, I get the dialog indicating that it is archiving the folder with a note that it is expected to take about one hour to complete. The progress bar moves very slowly for about five minutes and then, suddenly, the dialog disappears. When I check, I do have a .zip file that is just under 6 GB in size. However, when I double-click on it to re-expand it (to test to make sure it was created successfully), nothing happens.
So, it appears that the .zip file is not being created successfully.
I'm wondering if this might have something to do with the size of the folder or the size of the individual files within the folder.