Almost everyone uses ChatGPT the same way: type a question, read the answer, move on. That works fine for quick facts, but it leaves most of the product untouched. A handful of features — mostly buried in Settings or easy to scroll past — turn ChatGPT from a chat box into something closer to an actual assistant.
Start with Custom Instructions. In Settings, you can tell ChatGPT who you are, what you do, and how you want answers formatted — shorter replies, no bullet-point overload, skip the "as an AI" disclaimers. It applies to every new chat automatically, so you stop repeating the same preferences every session.
Projects group related chats, files, and instructions into one workspace with shared context. Instead of re-explaining your product, client, or codebase in every conversation, you set it once at the project level. This is the single biggest quality-of-life upgrade for anyone using ChatGPT for ongoing work rather than one-off questions.
Memory lets ChatGPT carry facts across separate chats — your role, your writing style, recurring projects — without you repeating them. It's genuinely useful, but review what it has stored every so often in Settings and prune anything you would not want persisted, especially on a shared or work account.
File and image uploads turn ChatGPT into a document assistant. Drop in a spreadsheet, contract, or screenshot of an error and ask direct questions instead of manually digging through it yourself. It is not infallible on tables and charts, so double-check anything numeric before it goes into a real report.
Voice mode, the mobile app, and Custom GPTs round things out — dictate ideas on a commute, build a reusable mini-assistant for a repeatable task, or let it write and run code for data questions instead of just describing the answer. None of this requires a paid plan to start; it just requires opening the settings menu once.