I have never seen a stock template do that, or even have the option to do that in customize forms

Have you imported a word template?  If so the formatting (bold) is coming from that template

Resolution for 'BOLD font issue: 'When creating an invoice, the product from the inventory list prints in BOLD font. Can I take the bold off?' available: Yes.

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

For more information about resolving issues related to BOLD font in Quickbooks/QBO or to get support for the issue 'When creating an invoice, the product from the inventory list prints in BOLD font. Can I take the bold off?', click the link below: