Open QuickBooks: Launch QuickBooks Desktop on the computer that hosts the company file.
Login to Your Company File: Open the company file you want to use in multi-user mode.
Switch to Multi-User Mode: In the upper-right corner, you should see the "Switch to Multi-User Mode" option. Click on it to enable multi-user access.
Enable Hosting: After switching to multi-user mode, go to the "File" menu.
Select Utilities: Choose "Utilities."
Enable Hosting on the Computer: If you see the option "Host Multi-User Access," click on it to enable hosting on that computer.
Confirm Hosting Mode: QuickBooks will prompt you to confirm that you want to enable hosting. Click "Yes" or "OK."
Confirm Multi-User Mode: QuickBooks will prompt you to confirm that you want to switch to multi-user mode. Click "Yes" or "OK."
Greetings,
Peter