Hi there, @accounts-letsven.
I appreciate you joining the Community. I've got you the steps to back up your QuickBooks company file.
Here's how:
You can also check out this article to get the whole process of creating a Backup of your Company File.
On the other hand, I've got some insights to share about QuickBooks Desktop (QBDT) service discontinuation policy.
If you're using the stand-alone license (3 years), you can still access your QBDT files on your computer. However, you're unable to continue receiving the security updates and online services, such as:
If you're using the Pro Plus (annual) version, you can no longer use or access your QBDT account. However, your company file will remain on your computer, but you'll need to re-activate the service to open or view the data.
Should you want to purchase the stand-alone version, talk to our Support team for further assistance with the process.
I'm also adding these articles that you can talks about discontinuation and cancelation policies:
Post again whenever you can or if you have further questions about your QBDT subscription. I'm always here to help.
The poster is asking about QB Online, not QB Desktop
Have you decided which accounting app to switch to? Or do you consider to use QB Online Global version?
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