iCloud Document Sharing and QuickBooks Desktop for Mac 2019 and newer

Through iCloud Document Sharing, you can work on your QuickBooks Desktop for Mac from multiple devices connected to iCloud.

iCloud Document Sharing is an existing functionality in macOS. It works by syncing a folder to iCloud Drive. Then a user with a link to the folder or file in iCloud can access, download and/or collaboratively work on those shared files. Visit the Apple support site for more on how to set up and sync to iCloud.
https://www.youtube.com/watch?v=i4Vqu9omjCQ

iCloud sharing and QuickBooks: Do's and Don'ts

It's important to understand how and how not to use iCloud Document Sharing with QuickBooks Desktop for Mac.

Sharing warning: The Company File Has Been Modified By Another User

You will see this message any time iCloud (or other file sharing services like DropBox, Box, Google Drive) detects a file version conflict. It's important to understand what your options are when you see this warning and how they affect your file.

This can occur if:

Learn more about your options