Re: New 2019 MAC on a wired network slow
Thank you for getting back to us, wlcummings.
To answer your question, yes. QuickBooks Server is used to host the file on a network drive. You can follow the suggestions given by @IntuitBrooks to complete this task.
Then, refer to this article for more details about troubleshooting multi-user issues for QuickBooks Desktop for Mac.
Keep in touch if you need anything else.