There isn’t a way to transfer funds between classes. You can only transfer funds between accounts. However you can assign classes when you transfer funds using journal entry (please see screenshot below).

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Resolution for 'between classes issue: 'How do I transfer funds between classes (I use them for fund balances)? I only see the option to transfer between asset accounts. I’m using Quickbooks Online' available: Yes.

The between classes issue or error code is a known issue in Quickbooks Online (QBO) and/or Quickbooks. Support for this issue is available either by self-service or paid support options. Experts are available to resolve your Quickbooks issue to ensure minimal downtime and continue running your business. First try to resolve the between classes issue yourself by looking for a resolution described in the article. If it is a complex between classes issue or you are unable to solve the issue, you may contact us by clicking here or by using other between classes support options.

For more information about resolving issues related to between classes in Quickbooks/QBO or to get support for the issue 'How do I transfer funds between classes (I use them for fund balances)? I only see the option to transfer between asset accounts. I’m using Quickbooks Online', click the link below: