Hi there, s-dutt.
To accept the client's invitation to view the company data, the accountant needs to use their QuickBooks Online login credential.
Please see this sample screenshot for reference:
![inviteaccountant.JPG inviteaccountant.JPG](https://quickbooks.intuit.com/learn-support/image/serverpage/image-id/42884iF0E15D8C574C955E/image-size/large?v=v2&px=999)
If they forgot their QuickBooks Online password, they can reset it by following the steps in this article: How do I reset my password for QuickBooks Online Accountant?.
For any additional questions or other concerns, please let me know and I'll get back to you the soonest. Stay safe.