File permissions on document library

Question

How can user manage his or her own file on sharepoint 2007 server if he is not site owner or site administrator?

Lalit M · Answer

If You are a Site Owner then go to Document Library and click Settings > Document Library Settings > Under Permissions and Management choose Permissions for this document library and remove the inherited from parent (if it is having) and then remove the users you don't want from that list and add your desired users.