Usually, it is a date reason that they do not match.   The check is written in one month and it clears another.

Resolution for 'check is written issue: 'why are checks not matching when they are down loaded from the bank this started about 3 weeks ago making a 5 min process in to a 45 min process' available: Yes.

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

For more information about resolving issues related to check is written in Quickbooks/QBO or to get support for the issue 'why are checks not matching when they are down loaded from the bank this started about 3 weeks ago making a 5 min process in to a 45 min process', click the link below: