Daily Newsletter Service using Excel, Outlook and AI

This n8n template builds a newsletter ("daily digest") delivery service which pulls and summarises the latest n8n.io template in select categories defined by subscribers. It's scheduled to run once a day and sends the newsletter directly to subscriber via a nicely formatted email. If you've had trouble keeping up with the latest and greatest templates beign published daily, this workflow can save you a lot of time! How it works A scheduled trigger pulls a list of subscribers (email and category preferences) from an Excel workbook. We work out unique categories amongst all subscribers and only fetch the latest n8n website templates from these categories to save on resources and optimise the n

Help me set up the n8n workflow "Daily Newsletter Service using Excel, Outlook and AI" (https://n8n.io/workflows/3446). It uses: HTTP Request, Microsoft Excel 365, Microsoft Outlook, HTML, Basic LLM Chain, OpenAI Chat Model. Import the template JSON into my n8n instance, list every credential I need to create, and walk me through testing it.