1. Sign up for an Avrium account
2. Select your accounting system.
Click on QuickBooks to go to QuickBooks sign in page
4. Log in to your QuickBooks account and select the company that you would like to link to your Avrium account
5. Click on Connect
After that, your customer, supplier and invoice information is updated automatically once per day or every time you log in to Avrium.
It can be updated manually also by clicking on Synchronize.