Home > .o* extensions > .oca extension
oca
How to open a file with .oca extension?
File type: Control Typelib Cache (Microsoft Corporation)
Compatible with Windows 10, 8.1, 8, 7, Vista and XP
Searching for the right program to open .oca files?

"You'll need a new app to open this file" is probably the most common error faced by millions of Windows users every day. This is either because the program required to open a file is not available on your system or there may be other issues.
What is .oca file extension?

Accompanying file saved with Visual Basic custom control (.OCX) files; contains standard descriptions of objects, properties, and methods used by OLE Automation; created automatically by Visual Basic and given the same name as the custom control except for the file extension.OCA files are binary files that serve as both extended type libraries and a cache for OCX files. If an OCA file is deleted, it can be rebuilt by Visual Basic, but will take extra time.


Windows Desktop Software that can be used to open .oca files:
Microsoft Visual Studio.