QB Issue Resolution:
Since the Online version is cloud based, it’s constantly being backed up, so you don’t have to worry about creating a backup company file. With that being said, Company files in the online version can neither be downloaded nor saved on a computer, so it isn’t possible to create a duplicate company at this time.
Here’s an article that has helpful information: Do I need to back up my data with QuickBooks Online?
QuickBooks Online integrates with a ton of third-party apps that may offer the functionality you’re looking for. Check them out at the link here: QuickBooks Apps.
If you’re using API, we’ve got another community where you can post more questions about it. You can go to this website and choose General Questions: https://help.developer.intuit.com.
Resolution for Issue 'Is it possible to duplicate a company' available: Yes (Solved).
Source: Intuit Community forum.
Is it possible to duplicate a company: 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 creating a backup company file
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Error Recovery for creating a backup company file [Canada]
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