Yes, this happens when you customer list gets put into a custom sort mode, when a name is dragged to another location.

To get back into standard sort, follow these steps:

1. Open the check form.

2. Click in the payee field and then press Ctrl-L to open the names list.

3. At the […]

Resolution for 'AR Summary issue: 'A/R Summary Report filtered report is no longer alphabetizing.' available: Yes.

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

For more information about resolving issues related to AR Summary in Quickbooks/QBO or to get support for the issue 'A/R Summary Report filtered report is no longer alphabetizing.', click the link below: