Yes, you can set up or add multiple users in QuickBooks Online (QBO) to help your business run more smoothly.
To ensure that I'm on the same page, may I know if you're getting any error messages when adding them? Any additional information will help me provide the best resolution.
In the meantime, try logging into your QBO account using a private browser (incognito). There are times that the browser is full of frequently accessed page resources, causing some unusual responses.
Press Ctrl + Shift + N (Google Chrome).
Ctrl + Shift + P (Firefox).
Control + Option + P (Safari).
Once signed in, try to add them again to double-check. Here's how:
Go to the Gear icon at the top right to get to the Manage Users.
Click Add user, then choose a user type.
Enter their name and email address, then hit Save.
After that, they will receive an email from email@example.com. Have them select the “Let’s go!” link in the email, which takes them to a sign in or account creation page. They need to sign in or enter info to create a new account.
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