We can create and embed objects like (.pdf, images, another excel sheets etc) in excel using hot keys automation.
Flow
Go to insert tab --> ALT + N
Click on Text --> Key ZT
Click on create Object --> Key J
Click on create fro file – using click activity
Click on Link to file --> ALT + L(Select Send window messages)
Click on Display as Icon --> ALT + A (Select Send window messages)
Attaching the workflow.
excelObject.zip (252.8 KB)
HI @Eesh_Tyagi
Good Sharing 
Here i just have removed the selector and made file path dynamic to read the current directory so others will find it easy to run , Once again nice and useful sharing
excelObject_Modified.zip (253.9 KB)
Regards…!!
Aksh
Hi @aksh1yadav,
I am getting error SelectorNotFoundException.Could you please look into it.
Main has thrown an exception
Source: Click on ‘Create from file’
Message: Click on ‘Create from file’ : Cannot find the UI element corresponding to this selector:
Exception Type: SelectorNotFoundException
Regards,
Sumit
It is a selectors problem basically. check with UIExplorer 
Hello,
alt +N action is not working for after opening the excel by excel application scope.
Can you please help me ?
Hi,
Is it possible to specify the cell in which we want to embed?
Great sharing.
But I have seen this approach before with workflow attached
any solution for huge MB size as from front end if file size is high than it is hanged.