When you are trying to open a large company file or operating the QuickBooks Desktop on the web, you might face
https://blog.a2accountants.com/is-quickbooks-running-slow-over-network-say-goodbye-now/, especially in Multi-user mode. Let's check out the other factors that cause QuickBooks to run slowly in your system.
Many users are trying to access a similar module at the same time
There is a too-big data file in "terms of Data File Size" that manages system
Operating a defective network or the Network Interface card that you are utilizing is slow