If your EndNote library is acting slow this could be because you have resource-demanding Smart Groups running in the background, i.e. a Smart Group that is set to import references with “Any Field + PDF with Notes”. Deleting the Smart Group could help speed up your EndNote library.
Below are some resources that might help you speed up your Mac.
There is also a range of other resources available online. Below is a ready Google search for some sources.
Please note that Alfasoft does not take any responsibility for any third party applications or suggestions, or the result of the use of these third party applications or suggestions.