Yes, you can import your material items by a csv using the import/export tab to complete a bulk import.
Have a look at similar frequently asked questions or visit our FAQs page for more information
Can refunds or credits be processed for Purchase Orders that haven't been received?
Does Tidy offer an Asset Management product/module within their environment?
What is the best way to change my Xero invoice settings?
Can the API be used to retrieve the Payroll Export report in Tidy?
How do I see Tracking Categories in TidyStock Sales?