Corrupt Service Discovery Protocol Configurations.Try to disconnect the routers and retry opening the document to see if this helps. Make sure that routers are updated and also examine their speed. Network Delays in an Active Directory Service Environmentĭelays in opening a document can also occur when the computer is connected to a domain through Active Directory.Now copy the Startup items folder to a destination of your choice.Go to Safe Mode and open the Library folder.This folder is only accessible if there is a software which is somehow utilizing the computer’s startup resources. You have to search for the folder named Startup items. Solve this issue by moving the Startup items folder altogether. Now simply deselect all options which you deem to be unsuitable.Īnother reason the MS Office installation runs slow on Mac is because of the conflicts caused by various startup items. You can even disable it in the offline version by going to File | Options | Proofing. Turn it off and check whether this makes a difference. If the slowdown issues occurs while you use Office 365 online then the best way to resolve it is by turning off Spell Checker, as the Spell Checker extension in Office 365 uses additional resources that lead to Mac slowing down. In the following lines, we’re reproducing a selection of the best ones. There are multiple solutions available on the web to tackle this issue.