Welcome to the ChatGPT Bible

This is the beginner-safe path for learning ChatGPT as a daily operating system: chat, files, memory, apps/connectors, scheduled tasks, finance, GPTs, agent mode, and review habits.

The promise

10-day path

ChatGPT is no longer just a chat box. It is a workspace for conversation, writing, files, images, charts, apps, scheduled tasks, custom GPTs, agentic work, memory, and specialized experiences like Finances.

Current model picker mental model

ChatGPT memory can personalize responses using saved memories, past chats, custom instructions, files, and connected apps where available. The June 2026 updates add better memory controls and a memory summary.

Beginner rules

Memory cleanup prompt

Review what you seem to remember about me and my work.

Tell me:
1. What still seems useful
2. What might be outdated
3. What could cause wrong assumptions
4. What I should delete, correct, or keep

Do not add new memories from this review unless I explicitly ask.

ChatGPT can work with uploaded files and files it creates. Library now stores reusable files across plans, while images have their own images area. Writing blocks support long-form work and can be saved to Library.

What belongs where

File analysis prompt

Analyze this file for a non-technical reader.

Please provide:
1. What this file is
2. Key findings
3. Risks or missing information
4. A simple summary table
5. Recommended next actions
6. Questions I should ask before trusting it

A Project is a dedicated workspace for one ongoing topic. Instead of starting from scratch in every chat, you set the context once and reuse it. A Project bundles four things in one place: the chats you have inside it, files you upload, project instructions (a reusable "master prompt"), and its own project-scoped memory. Every new chat you open inside the Project already knows that context, so you stop re-explaining yourself.

Good mental model: a normal chat is a one-off conversation. A Project is a living home you keep coming back to and keep adding to. People use Projects for things like a marketing workspace, a personal finances tracker, a "research assistant," or a writing/brand voice workspace.

Create a Project and add instructions

Click New project in the sidebar, give it a clear name tied to its purpose (for example "Marketing" or "Investing"), and optionally pick a color so it's easy to spot. To remove one, open the three-dots menu and choose Delete project.

The most valuable thing to set up first is project instructions — a "master prompt" of a few thousand characters that applies to every chat in the Project. It's separate from your account-level Custom Instructions (covered in Memory, Personalization, Privacy) and lets you focus the assistant on this one topic: set a goal, a format, a tone, and standing rules so you don't restate them every time.

A simple, reusable structure for project instructions is Goal, Format, Tone, and "ask if unclear." Copy this and fill in the brackets:

Goal: [what this project is for — e.g. help me plan and write content for my YouTube channel].
Audience / context: [who the output is for and any background you'd otherwise repeat].
Format: [how to respond — e.g. keep answers under 5 bullet points; use a table when comparing things].
Tone: [e.g. casual and direct; no hype].
Standing rules: [anything that should always apply — e.g. always cite sources; flag anything I should verify].
If my request isn't clear or you need more information, ask me before answering.

Project knowledge (files)

Use Add files to attach reference material to the whole Project. Every chat inside the Project can then read those files, so you don't re-upload per chat. Supported types include PDF, DOCX, XLSX, CSV, TXT, JSON, HTML, images, code files, and more.

There's a limit on how many files one Project can hold, and it varies by plan. As of 2026 the range is roughly 5 to 40 files (Free at the low end, top paid tiers at the high end) — check the official plans page for the current numbers, since they change. You can create unlimited Projects, so if you hit a cap, split work into separate Projects rather than cramming everything into one. Quality beats quantity: a few clean, well-edited documents work better than a pile of noisy ones.

Project memory vs global Memory

This control is easy to miss and worth setting deliberately. Each Project has its own memory setting, separate from the global Memory covered in Memory, Personalization, Privacy. Facts ChatGPT learns inside a Project stay in that Project — they do not bleed into your main chat or your other Projects.

Pick the mode on purpose, per Project, when you set it up. Self-contained memory keeps work focused and can reduce the chance of made-up answers (because the assistant draws from your contained files and history instead of guessing from elsewhere) — but it does not eliminate mistakes. Always verify anything that matters.

Project vs normal chat vs custom GPT

These three get mixed up. A custom GPT (see GPTs: Custom Assistants) is built for one fixed, repeatable task. A Project is a living workspace you keep customizing for an evolving body of work. A normal chat is a quick one-off.

Three real example workflows

Recurring-work workspace: upload your own data (say, an analytics export), then keep asking follow-ups without re-uploading. Because the conversation stays in the Project's memory, it gets more useful the more you use it — for example, find the top themes in past titles, then draft a 30-day content calendar in a table you can share. (For longer, web-backed reports, Deep Research and the research tools are covered in ChatGPT Agent, Deep Research.)

A "help me set up this Project" starter prompt — paste this into a new chat inside the Project:

I'm setting up a ChatGPT Project for [topic / goal — e.g. managing my YouTube channel].
Help me set it up. Specifically:
1. Suggest a short, clear name for the project.
2. Write project instructions I can paste in — include a goal, an output format, a tone, and a rule to ask me clarifying questions when needed.
3. List the 3-5 files or documents I should add as the knowledge base, and what each should contain.
4. Suggest whether I should keep memory "default" or "project-only" for this topic, and why.
Ask me any clarifying questions first if you need them.

Sharing with a team

Individual plans (Free and Plus) can't share a Project, and there's no public-link sharing for Projects the way there is for custom GPTs. Real-time, multi-person shared Projects — where teammates work from the same files, instructions, and history and see updates live — are a Business / Enterprise capability. For how the company plan, shared workspaces, and company-wide governance work, see Teams.

Checklist

OpenAI renamed connectors to Apps in ChatGPT. Apps can provide interactive experiences, search connected data, support deep research, sync content, and sometimes take write actions.

Permission levels

Connected app prompt

Before using any connected app, explain:
1. Which app you want to use
2. What data you need from it
3. Whether you will only read or also change something
4. What approval I will see
5. What could go wrong

Use the minimum access needed.

Scheduled tasks let ChatGPT run one-off reminders, recurring work, or monitoring tasks. As of June 17, 2026, Pulse is being sunset as proactive updates move into scheduled tasks.

Task types

Task prompt

Create a scheduled task for me.

Purpose:
[what I want]

Schedule:
[date/time or recurring window]

Sources to check:
[web / connected apps / past chats / none]

Only notify me when:
[what counts as useful]

Before saving, show me the exact task name, schedule, apps used, and pause/delete instructions.

OpenAI is rolling out Finances for U.S. Pro users on web and iOS. It can connect supported accounts through Plaid, show spending, bills, subscriptions, net worth, and investments, and answer questions grounded in financial context.

Good beginner uses

Finance prompt

Review my finances as an educational assistant, not as a financial adviser.

Please provide:
1. Spending patterns
2. Recurring charges to review
3. Possible budget categories
4. Questions I should ask myself
5. What you cannot conclude from this data
6. What I should verify with a qualified professional

GPTs are custom versions of ChatGPT with instructions, knowledge files, capabilities, apps, and actions. Building/editing is web-only for paid users and managed workspace users with permission.

GPT builder map

GPT instructions prompt

Help me design a custom GPT.

Purpose:
[what it should do]

Users:
[who will use it]

Workflow:
[step-by-step process]

Knowledge files:
[what reference material it should use]

Capabilities needed:
[search / image / canvas / data analysis / apps / actions]

Return:
1. Name
2. Description
3. Conversation starters
4. Instructions
5. Test prompts
6. What not to include

ChatGPT agent combines research and action. It can use a virtual computer, visual browser, text browser, terminal, direct API access, and connected apps to complete longer tasks, while asking permission before consequential actions.

Use agent mode when

Agent prompt

Use agent mode for this task, but keep me in control.

Goal:
[finished outcome]

Tools allowed:
[web / files / connected apps / spreadsheet / browser]

Do not:
[purchases, sends, deletes, external changes without approval]

Every 10 minutes or before any important action, give me:
1. Progress
2. Next step
3. Risk
4. Approval needed

If you run a small company or a team, this section is for you. It explains what a company plan gives you that personal plans don't, how people actually work together day to day, and how to roll it out without creating a privacy mess. You can read this even if your team is still on free or personal accounts.

First: the name changed

The company plan used to be called ChatGPT Team. Around April 2026 it was renamed ChatGPT Business. It is the same product family, just a new name. Older videos and articles will still say "Team" or "the Teams plan" — when you see that, read it as "Business." Above Business sits Enterprise, aimed at larger organizations.

What a company gets that personal plans don't

The headline difference is about your data. On a ChatGPT Business workspace, your conversations are not used to train OpenAI's models. This is the contractual default for the whole workspace — there is no per-person toggle to remember, and no one can accidentally turn it off. On personal plans, training-on-your-data is controlled by a setting each user manages themselves (covered in Memory, Personalization, Privacy).

Beyond that, a company plan adds the controls an admin needs to run AI for a group of people:

Members also get the full feature set — GPTs, Projects, apps and connectors, Agent and Deep Research — plus shared workspace GPTs at no extra cost, generous GPT-5.5 usage, and developer tools like Codex (as of 2026).

How a team actually collaborates day to day

"Collaboration" here is less about chatting in the same window and more about sharing the things that hold your context so everyone works from the same setup.

Which plan for a company?

Prices and exact limits change, so treat the figures below as a snapshot and confirm current details on the official ChatGPT pricing page before you commit.

Rollout best practices

A calm rollout beats a rushed one. A simple order that works:

Steps 2 and 5 connect directly to Safety, Security, and Team Governance, which has the full governance checklist and audit prompt. This section is about the plan and collaboration; that section is about the rules.

Copy-paste prompts

Use the first to draft a rollout plan, and the second to spec a workspace GPT you want to share. Fill in the brackets.

Act as a practical change-management advisor for a non-technical
team lead. We are rolling out ChatGPT Business to a company of
[number] people, mostly in [departments]. Our top use cases are
[use case 1], [use case 2], [use case 3].

Give me a one-page rollout plan with:
1. A pilot group and who should be in it.
2. Data rules to set before we start (which connectors to allow,
   who can publish shared GPTs, what data must never be entered).
3. 2-3 shared workspace GPTs worth building first, and why.
4. A short staff playbook outline (how to prompt, what to verify).
5. A 30-, 60-, 90-day timeline.
Keep it plain and skimmable. Flag anything I should have our
security or legal contact review.

Help me write a spec for a shared workspace GPT my whole team
will use. The GPT's job is: [one-sentence purpose].
Audience: [who on the team will use it].

Produce:
- A clear name and one-line description.
- The "Instructions" text (role, goal, tone, format, what to
  always do, what to never do, and to ask a clarifying question
  if my request is unclear).
- What reference files or knowledge it should hold (and what it
  should NOT contain, e.g. secrets or customer data).
- 3 example prompts a teammate could use on day one.
Keep the instructions tight and unambiguous so results are
consistent across the team.

Quick check

As ChatGPT gains apps, tasks, memory, finance, GPTs, and agent mode, the power move is governance: clear rules for what ChatGPT may read, remember, schedule, connect, and change.

Governance checklist

Audit prompt

Audit my ChatGPT setup for safety and usefulness.

Review:
1. Memory habits
2. Apps/connectors and permissions
3. Scheduled tasks
4. GPTs I built or use
5. Library/storage cleanup
6. Agent mode risks
7. Finance or sensitive workflows

Return a simple action plan for a non-technical user.

Once you know the basics, a handful of small habits make ChatGPT noticeably faster and more useful. These are the moves regular users tend to discover late. None of them require a paid plan unless noted, and we have stripped out anything that was hype or that is not reliably true as of 2026.

A few of these touch features covered in depth elsewhere, so we just point you there instead of repeating them.

Everyday speed

Small things that save you the most clicks day to day.

Better outputs

Ways to get a stronger answer without writing a longer prompt.

Before you answer, ask me 5 questions that would help you
give me the best possible result. Wait for my answers,
then continue.

You are my copy coach. Here is a good example and a bad
example of what I want.
GOOD: a clear, specific hook with real stakes.
BAD: vague, "this changes everything" filler.
Now write 5 options that match GOOD and avoid BAD.

Lesser-known features

Worth knowing they exist, even if you only reach for them occasionally.

Make a marketing plan for a small coffee shop. But first,
list the assumptions you're making about its budget,
location, and customers so I can correct anything off.

Your turn

This Bible is based on OpenAI release notes and help documentation checked on June 19, 2026.