These files were created so that multiple programs (eg. Dynamic Link Library files, like ulibgif.dll, are essentially a 'guide book' that stores information and instructions for executable (EXE) files - like choice.exe - to follow. Ulibgif.dll is considered a type of Dynamic Link Library (DLL) file. ✻ Portions of file data provided by Exiftool (Phil Harvey) distributed under the Perl Artistic License. InterVideo Digital Technology Corporation. InterVideo Digital Technology Corporation.Ĭopyright (c) 1992-2007.