Slip File Extension
Slip extension is associated with CodeGear License - code files. You are not able to open slip files on your computer.
Slip extension stands for code files. When you buy a software which is a CodeGear firms product the code files that belong to your computer are kept in slip extension file. For example Delphi and C++ Builder softwares are developed by CodeGear software. You can not open those files on your computer.
What needed to Open Slip file extensions.
Links about Slip file extension