Help & Support

Find answers, fix common problems, or contact support.

Have a question?

Check our FAQ for quick answers to common questions about using CATO.

Browse FAQ

FAQ

Answers to frequently asked questions about CATO.

Troubleshooting

Solutions for common issues and error messages.

System Requirements

Browser, operating system, and network requirements.

Contact Support

Submit a ticket for technical assistance.

Release Notes

What has changed in CATO, newest first.

Library and Deep Search guide

Searching for papers, saving them, and extracting evidence.

Quick Reference

One-page printable guide to CATO essentials.

What to include when you contact support

Include the link to the project or conversation, the approximate time, what you expected, and the error message with anything sensitive removed. Do not include passwords, API keys, protected health information, or confidential data.