A CLSID is a global unique identifier that identifies a COM class object. You may need to register and know the CLSID of a particular DLL when you work with COM, especially when your server allows linking to its embedded objects. I had the same situation where I needed to know the CLSID of a DLL.
How to find CLSID of a DLL
Go to start and select Run, or you Press Windows key + R. And type regedit.
![Run_Command_With_regedit]()
Figure: Run Command With regedit
Click Yes, if you get any pop up as follows.
![regedit_pop_up]()
Figure: regedit pop up
Select HKEY_CLASSES_ROOT from the list.
![Select_HKEY_CLASSES_ROOT]()
Figure: Select HKEY CLASSES ROOT
Now search for your DLL name. In my case it was MyWindowsControl. You can find a folder called CLSID under your DLL name.
![CLSID_Folder]()
Figure: CLSID Folder
On the right side you can see a column ‘Data’, that is your CLSID.
![CLSID]()
Figure: CLSID
Conclusion
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