You can connect HandiFox Online to your QuickBooks Online company in a few easy steps.
Connecting a QuickBooks Online company - step 2On apps.intuit.com, look for HandiFox Online using the “Search apps…” field or just follow the link. Then click the “Get App Now” button.
Upon connecting with your QuickBooks company, HandiFox will read
and download all data relevant to its functions, which may take a while,
depending on your company’s size and age.
Disconnecting QuickBooks Company
To disconnect HandiFox from your QuickBooks Online company, sign in on
app.handifox.online, go to Settings and click
“Disconnect from QuickBooks”.
This step is also required to start using HandiFox with a different
QuickBooks company.

Once disconnected, you will no longer be able to access or work with
your QuickBooks company data inside HandiFox. The user is able to
connect to the same QuickBooks company again.