List of all available fields

Probably not.

What do you mean by "available"? Available from where/for what?

Thanks for the reply. My organization will begin using Salesforce in a few months and I need to map out the data fields within QB to match with the fields in Salesforce. The only solution I found to find what fields exist within QB is to go through all the tabs and manually write down every field. I would like to find a document that lists out all the fields that QB supports to avoid going through the entire program manually. 

Hello there, @Nik_R.

Right now, a document that lists out all the fields that QuickBooks support is unavailable in QuickBooks Desktop (QBDT). We recognize your unique needs as this would benefit and empower your business. With that said, I recommend sending this request straight to our product engineers through feedback. Sharing features and options that you would like implemented is how our engineers look for new product updates.

To send feedback, here's how:

1. Go to the Help menu at the top.
2. Select Send Feedback Online.
3. Click Product Suggestion.
4. Choose a feedback type and product area on the QuickBooks Feedback window. 
5. Enter your suggestion or feedback, name, and email address (optional).
6. Once done, click on the Send Feedback button.

Our developers periodically update and release new features. They might change how this works in the future. To be updated with our latest news and updates, including product improvements, I encourage you to visit the What's New section on your QuickBooks Desktop account or open this link to view our product update blogs.

For future reference for tips and related articles about the "How Do I" steps in QBDT, visit our QuickBooks Community help website.

If you have any other concerns, don't hesitate to visit the Community again. We're always here to help you. Have a great day.

Oh, I see. Well, all the fields in QuickBooks is quite different than all the fields you can integrate from outside of QuickBooks (which is less). If you're planning to write your own integration, I think the QB SDK is what you'll want to review, as it shows has this information.