Tlb extension is related to Type Library. You can open tlb files by using ole supported softwares.
Tlb files include user interface informations which used by various softwares. Here is the some softwares which support Ole:
Spss analysis software:
Visual C++ programming:
Besides, you can check these web pages for getting detailed information.
What to use TLB
OLE supported softwares
which page related to TLB file
TLB Related Searches
You can check related links about TLB fileextension.