A field within the custom fields section isn’t used for anything, unless you use it for something of your own design.

There usually isn’t any reason to set up another email address field. There are already two of them. They’re so long I couldn’t find the end; at least 160 characters […]

Resolution for 'affecting emailing issue: 'What is this email address on the additional info tab, which is too short, used for, since it is not affecting emailing the customer out of Quickbooks?' available: Yes.

The affecting emailing 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 affecting emailing issue yourself by looking for a resolution described in the article. If it is a complex affecting emailing issue or you are unable to solve the issue, you may contact us by clicking here or by using other affecting emailing support options.

For more information about resolving issues related to affecting emailing in Quickbooks/QBO or to get support for the issue 'What is this email address on the additional info tab, which is too short, used for, since it is not affecting emailing the customer out of Quickbooks?', click the link below: