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What are Project Files?

Project files are documents and other resources you upload directly to a project. Unlike files attached to a single chat, project files are available as context in any chat within the project — you upload once, and all project chats can reference them. This is useful for reference materials that multiple conversations need: a codebase overview, a style guide, a data dictionary, a product spec, or background research.

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Adding Files to a Project

1

Open the project

Click the project name in the left sidebar.
2

Go to the Files tab

In the project view, click the Files tab (usually in the project header or sidebar).
3

Upload files

Click Upload or drag and drop files into the Files area.Supported file types are the same as standard ZeroTwo file uploads: PDF, DOCX, TXT, CSV, XLSX, images, code files (.py, .js, .ts, .json, etc.), and more.
Files appear in the project’s Files tab and are immediately available for use in any project chat.

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How ZeroTwo Uses Project Files

Project files are available as background context, but ZeroTwo doesn’t automatically read every project file for every message. To use a project file in a chat:
  • Mention it explicitly: “Using the product spec I uploaded, write a feature summary for the landing page.”
  • Reference its content: “Based on the API documentation file in this project, what’s the correct endpoint for creating a user?”
  • Ask ZeroTwo to consult it: “Check the brand guidelines file and rewrite this paragraph to match our tone.”
The more specifically you reference the file, the more accurately ZeroTwo will use it.

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Recommended Files to Upload

File typeWhat it helps with
Project overview docGives ZeroTwo comprehensive background context without needing long instructions
Style guideEnsures writing assistance matches your brand or editorial standards
Technical specificationsHelps with code generation, API usage, and architecture discussions
Data files (CSV, XLSX)Enables data analysis and visualization chats within the project
Reference codeLets ZeroTwo understand your existing patterns and conventions
Meeting notes / decisions logProvides historical context for ongoing project work

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Managing Project Files

View files: Open the project → Files tab. All uploaded files are listed with name and upload date. Delete a file: In the Files tab, hover over a file → click the delete icon (trash). Deleting a project file removes it from context for all future chats. It doesn’t affect past chats where the file was already used. Replace a file: Delete the old version and upload the new one. If you regularly update a file (like a weekly report template), consider naming it consistently so it’s easy to find and replace.

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Storage

Project files count toward your account’s total file storage — the same pool used by files uploaded to individual chats.
Add a short project overview document as a project file. Even with good project instructions, a more detailed background doc gives ZeroTwo richer context for complex questions about your work.