QB Issue Resolution:

“We need to retain all the vendors, customers, items, invoices, etc. Is that possible?”

Yes, except for the Invoices.

From the old file: File menu > Utilities, Export Lists.

From the new file: File menu > Utilities, Import Lists.

The Transactions cannot be exported and imported. There are third-party Transaction Copier type tools, but first, make sure this is really what you want. Typically, you either bought the Shares or this was an Asset sale and Liability assumption, or the “owners” contributed to a new Corporation. That means the existing invoices are not by definition the thing that goes into the New File at all.

Resolution for Issue 'How to create a new company file from an existing one (new owner)…without losing all the vendors, customers, all items, etc.,and date it’s start date as Jan. 1st, 2018?' available: Yes (Solved).
Source: Intuit Community forum.

How to create a new company file from an existing one (new owner)…without losing all the vendors, customers, all items, etc.,and date it’s start date as Jan. 1st, 2018?: 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.

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