The most tiring part of using these tools is re-explaining yourself every time. This week I picked one feature in each of the four that helps you reuse your context or hand off the finished work, so you are not rebuilding the same thing from a blank screen. One tip per tool, all steps checked against the official docs.

Claude: build the finished Excel, PowerPoint, or PDF

Claude can create real .xlsx, .pptx, .docx, and .pdf files you download and use right away, not just text you copy out.

  1. Open a new chat on Claude web, desktop, or mobile.
  2. Describe the file you want in plain words, and name the format, for example an Excel budget with monthly columns and a totals row.
  3. Attach any source material you want it to work from, such as a PDF, notes, or a spreadsheet. The limit is 30MB per file.
  4. Let Claude build it. It can add working formulas, charts, and slides.
  5. Download the file, or save it straight to Google Drive.

Weak: “Make a spreadsheet.” Better: “Create an .xlsx expense tracker with columns for date, category, and amount, a SUM total, and a pie chart of spend by category.”

When to reach for it: when you want a finished, downloadable Office file or PDF built from scratch or from documents you upload, especially when your files do not already live in Microsoft 365.

Source: Claude Help Center

ChatGPT: keep one body of work together with Projects

A Project holds chats, files, and instructions in one place, so you stop restating the same background every time you start a conversation.

  1. Open Projects from the left menu and create a new project, then give it a name.
  2. Add files the project should use across every chat. You can upload up to 10 files at a time.
  3. Set project instructions so you do not repeat the same context each time.
  4. Start a chat inside the project. ChatGPT prioritizes the project’s chats and files when it answers.
  5. Move an existing chat into the project to keep related work in one spot.

Try it: create one project per recurring effort, add its reference files, and write two or three lines of instructions on tone and format.

When to reach for it: when you have ongoing work you will return to and want files, instructions, and past chats kept together in one persistent space.

Source: OpenAI Help Center

Copilot: work your data in the sheet in Excel

Copilot in Excel builds and edits your workbook using Excel’s own tables, charts, PivotTables, and formulas, and your content stays editable.

  1. Open your workbook in Excel and select the Copilot icon in the lower-right corner.
  2. Pick a mode. Edit changes the sheet directly, Plan drafts an approach for you to confirm first, and Chat answers without changing anything.
  3. Type what you want in plain language, for example, add a column that flags any order over 500.
  4. Watch Copilot’s plan in the pane and see the changes appear live in your workbook.
  5. To stop or pause, select the Stop button in the chat input field.

Try it: start in Plan mode on an unfamiliar task so you can review the steps before Copilot touches your data.

When to reach for it: when your data already lives in an Excel workbook on OneDrive or SharePoint and you want the changes applied in the sheet itself, not in a separate file.

Source: Microsoft Support

Gemini: build a reusable assistant with Gems

A Gem is a custom version of Gemini with your instructions and reference files baked in, so it behaves the same way every time you call on it.

  1. Go to gemini.google.com and on the left select Explore Gems, then New Gem.
  2. Name the Gem and write instructions covering its goal, how it should behave, and the format you want.
  3. Use the magic wand icon if you want Gemini to help write or expand the instructions.
  4. Under Knowledge, click Add files to upload documents or add them from Google Drive for the Gem to reference.
  5. Preview the Gem on the right, then click Save. Reuse it any time from your Gems list.

Try it: build a Gem for a task you repeat weekly, give it your style rules once, and skip re-explaining them every time.

When to reach for it: when you want a reusable custom assistant with fixed instructions and reference files you will call on repeatedly, especially if those files live in Google Drive.

Source: Gemini Apps Help

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