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You can link a data source on the Files page or directly in our Chat interface. For more detailed instructions on linking a data source, check out our Julius Start Guide.

After linking a data source, you can analyze it with natural language prompting on the Chat page — try asking for insights or directing Julius to create a visualization. For some additional examples on how to use Julius, check out our Guides section.

We currently support any data file format, including but not limited to spreadsheets (.xls, .xlsx, .csv), Google Sheets, images (.jpeg, .png), PDFs, and text-based files (.docx, .txt). If you have a different file format, odds are we support it — go ahead and try to upload it within our Chat.

Yes! Upload your multi-tab spreadsheet as you would any other file. Once uploaded, you can refer to the individual names of the tabs in your prompts, and Julius will perform analysis on those tabs accordingly.

Yes, it's very easy to generate clean-looking data visualizations using Julius. Once you have uploaded your data, simply prompt the AI to create a chart or graph.

We utilize strict access-control, as each user only has access to their own data in the secure file storage — even our python code execution environments are sandboxed by user. In addition, your data is completely erased from the servers whenever you delete it within the app. You can read further into our data policies here.

Yes! By default all users can send up to 5 messages a month with our most advanced AI model. Once you hit the monthly limit, you can upgrade your plan in your Account page.