Sales order functionality all together.QuickBooks Enterprise, Barcodes and lot/serial numbers is not a feature available in QBO.All inventory resides in a single location. QuickBooks Enterprise, Multiple Inventory sites.QuickBooks Enterprise, Comprehensive user permissions, QBO user permissions are very limited.QuickBooks Online can produce cash basis reports, but calculates unapplied payments differently than Desktop Historical cash basis reports (Conversion is verified and adjusted in accrual basis only).Un-billed items and time (Billable reimbursable charges).Users/Passwords/Permissions do not transfer over.Other names list will come in as vendors.Historical average cost on Items, will recalculate as FIFO moving forward.contact, notes, vendor type, custom fields data, credit limit. Data from vendors: Active/Inactive Status, contact, Alt/.contact, customer type, default rep, default price levels, custom fields data, account number, credit limit, job status, start date, projected date, end date, job description, job type, credit card information, multiple shipping addresses. Data from customers: Active/Inactive Status, contact, Alt/.Unapplied bill payments and unapplied customer payments will change cash basis PNL reports.Open Item Receipts will be converted to bills.Connection to any existing third party app.Recurring charges setup from Intuit Merchant Center.Banks must be re-reconciled (but transactions already transfer as cleared). Discount items and payment items do not transfer.
Header custom fields used in templates do not transfer over.Memorized Reports do not transfer over.Memorized transactions do not transfer over.
You can customize the templates in QBO, but the customization feature are extremely limited.