Office work
Bulk emails, batch documents, QR codes and invoices from Excel.
Automation, AI and technology
Automate your work in the office and classroom
Excel templates that do on their own what you now do by hand, free tools and clear guides for teachers and office teams. Tested over 20 years of teaching.
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QR code generator and number to words, right in your browser.
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Mail Merge and Save as Separate Documents
Improved version with export to individual PDF files with different names. Saving each record of a mail…
$30
Bulk QR Code Generator
The Bulk QR Code Generator for products is a simple solution for self-service stores that want their…
$15
Single-Product QR Code Generator
The Single-Product QR Code Generator is a simple solution for self-service stores that want their customers…
$10
Mail Merge to Individual PDF Files
Microsoft Word can already run a mail merge (Combinar correspondencia) between a Microsoft Excel list and a…
$20
Simple Invoice with Automatic Numbering
Excel template for a simple invoice with automatic numbering
$10
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Excel automation for office work
Is Excel Dead in the Age of AI? What Expired Is Not the Tool
Excel is not dead in the age of AI: what is obsolete is using it to copy and paste. Job and small-business data, the modern stack (Power Query, DAX…
Copilot and Agents in Excel: Natural Language, Classification, Summaries and Copilot Pages
What Copilot offers in Excel today (Agent Mode, Plan Mode, model choice), what happened to the =COPILOT() function, how to classify and summarize…
Excel with Artificial Intelligence: Practical Examples for Businesses, Teachers and Analysts
A practical guide to using AI with Excel: what Copilot and Python in Excel offer today, a prompt recipe, real formulas for small businesses…
AI and technology for teachers
Is Artificial Intelligence Expanding a Student's Thinking or Replacing It?
What the evidence says about cognitive dependence, how to tell support that expands learning from automation that avoids thinking, and a rubric for…
"My Boss Called and It Sounded Like His Voice": How AI Voice Scams Work and How to Avoid Them
A few seconds of audio can clone a voice. What the FBI, the Arup case and Colombian figures say, the warning signs and a verification protocol for…
A Guide to Using Artificial Intelligence in Education: What Works, What Does Not and How to Decide Task by Task, with an Excel Workbook
A guide to deciding on AI use in the classroom: what the evidence says (learning is not performing), the framework in Colombia (Law 2626 of 2026)…
Blog
Is Artificial Intelligence Expanding a Student's Thinking or Replacing It?
What the evidence says about cognitive dependence, how to tell support that expands learning from automation that avoids thinking, and a rubric for…
"My Boss Called and It Sounded Like His Voice": How AI Voice Scams Work and How to Avoid Them
A few seconds of audio can clone a voice. What the FBI, the Arup case and Colombian figures say, the warning signs and a verification protocol for…
A Guide to Using Artificial Intelligence in Education: What Works, What Does Not and How to Decide Task by Task, with an Excel Workbook
A guide to deciding on AI use in the classroom: what the evidence says (learning is not performing), the framework in Colombia (Law 2626 of 2026)…
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