Purging marks projects or packages for deletion from the repository. After a program element is purged, it no longer appears in the Repository Explorer, but it continues to exist in the repository until the repository is compacted to free up disk space.
If the repository has not been compacted, purged program elements can be restored, allowing you to browse and add them to the workspace once again. To restore purged program elements, follow these steps:
The restored program elements will re-appear in the Repository Explorer.
Purging Program Elements from the Repository
Searching for a Program Element in the Repository
Compacting a Repository