If you are a user who uses google sheets and meddling around with it a lot would have faced this problem of excessive lag while working with MS Excel. Often the reason would be the hidden objects in the excel sheet. How to remove it? 1.Press Ctrl+G (or) F5 to launch the 'Go to' window 2.Click on 'Special' and Select 'Objects' 3.Click 'OK'. Now you can see the objects in excel sheet are highlighted 4.Press 'Delete' Or 'Backpace' key to delete all the hidden objects 5.Save the document and Start working with it You can experience the faster response with the excel sheet now. :)