Claude Cowork Tutorial for Beginners

About this video

David DeWinter teaches Claude Cowork for beginners, noting a paid Pro or Max plan is required, and warning that Claude can permanently delete files or share files with connected third-party tools. Unlike Chat, each Cowork conversation is pointed at folders on your computer, files can be referenced with the @ symbol, and work happens in place. Use case 1, contracts (folder 01-contracts): Cowork drafts a contract from notes and a template while also pulling terms from similar past contracts — it added insulated cooler boxes for outdoor catering, coffee station setup, and a complimentary dozen donut holes for events over a hundred guests. Reason 1 it beats Chat: Chat limits you to 20 file attachments per conversation, while Cowork can read an entire folder up to its token limit. Use case 2, accounting: with the Claude Chrome extension installed and QuickBooks already logged in, Cowork uses five loan statements to split QuickBooks transactions into principal and interest (only interest is tax deductible), working in the browser on autopilot — something Chat cannot do at all. Use case 3, slides (03-slides): first research from a YouTube video and official Claude Help into an editable outline.md file, delete a slide (he cuts the artifacts slide), then generate a PowerPoint from that outline using a supplied template, keeping talk track in presenter notes; the result followed the 13-slide outline but did not get layout right on every slide, and the step took about 15 minutes. Reason 3: multi-step workflows can be checked and edited between steps without download/re-upload. Use case 4, data (04-data): Cowork joins CRM account data, e-commerce sales data, and survey data by customer email into an Excel Dashboard with four tabs, a horizontal bar chart of average NPS by state, and a month filter. Reason 4: it can update that same file next month instead of starting over. Finally, he turns the monthly update into a reusable Skill: Cowork reviews the conversation, runs evals for verification, and after saving, typing slash plus the skill name updates the report in less than two minutes; installed skills work on any computer with Cowork and on Claude on the web.

Key takeaways

• Cowork requires a paid Pro or Max plan and works directly on folders you select, so files stay in place and can be referenced with @
• Cowork can read an entire folder up to its token limit, versus Chat’s limit of 20 file attachments per conversation
• With the Claude Chrome extension, Cowork can operate web apps in the browser — e.g. splitting five QuickBooks loan transactions into principal and interest
• Multi-step work is checkable in between: edit outline.md and Cowork picks up the change without download/re-upload, then builds the deck from it
• A completed task can be turned into a reusable Skill, invoked with slash plus its name, so repeat updates run without rewriting the prompt

Episode details: published April 24, 2026 · 14:52 long. Summary written by Self Growth Videos from the episode itself. Business results and any income figures mentioned are Kevin Stratvert’s own claims, shared for education — they are not typical or guaranteed.

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