07Topic 7 of 15

ChatGPT

Custom GPTs, Projects, custom instructions, voice mode, and long PDFs.

6 plates · 18 min to read them all


  1. 07.01 ChatGPT PDF Summary: Summarize Long Files in 3 Steps Attach the PDF in ChatGPT, ask for a shape instead of a summary, then drill in. The 512 MB and 2M-token caps, and what to do with a scanned file. 3 min
  2. 07.02 How to Set ChatGPT Custom Instructions Custom instructions moved to Settings then Personalization, and it is now one field, not two boxes. They apply immediately to all chats, on every plan. 3 min
  3. 07.03 How to Build a Custom GPT (No Code) Custom GPT creation now needs a Business, Enterprise or Edu workspace. Use the Configure tab for instructions, up to 20 knowledge files, and actions. 3 min
  4. 07.04 How to Use ChatGPT Projects ChatGPT Projects group chats around shared files and instructions. Free plans get 5 files per project, Plus 25, Pro and Business 40 — and sharing is free. 3 min
  5. 07.05 How to Use ChatGPT Voice Mode ChatGPT voice now runs inside the chat, not a separate blue-orb screen. Tap the Voice icon on web, hold the mic on mobile, and when to skip it. 3 min
  6. 07.06 How to Get Working Excel Formulas from ChatGPT Describe the sheet so ChatGPT can answer, ask for the formula plus a breakdown, verify it on real rows, and fix the four things that go wrong. 3 min

Keep going

Other topics

All 105 plates →
  1. 01 Install & set up 5
  2. 02 First steps 4
  3. 03 Claude Code commands 9
  4. 04 Workflows 6
  5. 05 MCP 8
  6. 06 Claude 2
  7. 08 Cursor 3
  8. 09 Local LLMs 12
  9. 10 Prompting 8
  10. 11 Choosing tools 5
  11. 12 AI images 7
  12. 13 Everyday tasks 7
  13. 14 Other coding agents 5
  14. 15 Building with the API 18

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