Go to Manage Users again and delete that invitation, resend it.
Tell them to check their spam folder.
Resolution for 'accountant lost issue: 'My chosen accountant lost email invite to log in to QB. How do I resend?' available: Yes.
The accountant lost 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 accountant lost issue yourself by looking for a resolution described in the article. If it is a complex accountant lost issue or you are unable to solve the issue, you may contact us by clicking here or by using other accountant lost support options.
For more information about resolving issues related to accountant lost in Quickbooks/QBO or to get support for the issue 'My chosen accountant lost email invite to log in to QB. How do I resend?', click the link below: