QB Issue Resolution:

Deleting a quote will not affect the invoice created from it. You can follow these steps on how to delete it:

  1. On the left panel, click Sales (Or Invoicing).
  2. Click the Customers tab, and click the customer’s name.
  3. Find and click the Quote to open.
  4. Click More located in the footer and select Delete.
  5. Click Yes.

You can also check this article to watch the video: Delete a Quote Video.

Resolution for Issue 'If I delete a quote that is linked to an invoice, will it delete the invoice also?' available: Yes (Solved).
Source: Intuit Community forum.

If I delete a quote that is linked to an invoice, will it delete the invoice also?: 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 customers name
Quickbooks Repair Pro will resolve it efficiently and affordably. Guaranteed resolution of your issue, or you pay nothing!

Error Recovery for customers name [Canada]
E-Tech is the #1 Quickbooks data migration and Conversion service provider.

Get 50% off Quickbooks Online

Click Here for 50% off!

Additional Support Options: