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
How do I add a note to an appointment?
A new user I have created in Tidy hasn't received their registration email, what do I do?
Do new customers, suppliers and inventory lines automatically sync to Xero?
Is there a workaround for stock tracking in TidyStock?
Can I delete/ edit a time entry?