QB Issue Resolution:
No you are not missing something, QBO is less functional than desktop, that option is not available in QBO any version
a non partisan comparison of QBO vs QB desktop
(cost comparisons are at the end of the article)
and simple start is just that, simple – it is basically a check book
Resolution for Issue 'Need multiple date formats on invoices' available: Yes (Solved).
Source: Intuit Community forum.
Need multiple date formats on invoices: this 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 issue yourself by looking for a resolution described below. If it is a complex issue or you are unable to solve the issue, you may contact us by clicking here or by using other support options.Support for date formats
Quickbooks Repair Pro will resolve it efficiently and affordably. Guaranteed resolution of your issue, or you pay nothing!
Error Recovery for date formats [Canada]
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Additional Support Options: