Rigorous trainer selection
Each trainer is validated on three criteria: hands-on field expertise, proven pedagogy and alignment with your industry.
- Triple validation: technical, pedagogical, sectoral.
- Minimum rating 4.8/5 over the last 12 sessions.
Describe your need, get a tailored program and a pre-filled quote in 3 min. A 100% free call with an advisor.
1 seat held for the next session
Request a call back and an advisor reaches you within 24 business hours, Monday to Saturday.

To fight inequalities in access to education, Learni donates a complete school kit to a child in need for every training booked. You build your skills, a child heads back to school.
Founded by engineers and learning experts, Learni's mission is to make high-impact tech training accessible to teams everywhere. We work remotely with organizations across the US and Canada, in your time zone, to help teams upskill fast.
Don't let this gap widen
Without mastered Excel Add-ins, teams lose 50% of time on repetitive manual tasks, generating up to 20 000€ in annual costs per analyst in data entry errors.
Companies without advanced automations see 35% delays on critical BI reports, impacting strategic decisions.
In 2024, 68% of finance recruiters reject VBA-only profiles in favor of Office JS experts.
Every quarter without Add-ins skills widens the competitive gap, risking loss of market share against rivals who are 40% more efficient.
Installation of Yeoman generator environment for Excel Add-ins, creation of a first professional Add-in with custom XML manifest, hands-on with Office JS API to interact with worksheets, practical exercises on authentication and debugging via F12 tools, development of a simple report automation prototype, code review by trainer to validate best practices from the start.
Design of dynamic Task Panes with React integrated into Office JS, use of Office UI Fabric for smooth and responsive interfaces, addition of custom ribbon commands, exercises on keyboard and mouse event handling in Excel, prototyping of an interactive dashboard for data analysis, cross-browser testing on Excel Online and desktop, UI optimization for enterprise productivity.
In-depth exploration of Range, Worksheet, and Table objects via Office JS, automation of complex formulas and pivot tables, practical exercises on inserting conditional charts and data validation, handling large datasets with async patterns, concrete case of an Add-in for financial forecasting, robust error handling and logging for production debugging.
Connecting Excel Add-ins to external REST APIs like Power BI or CRM, implementing OAuth authentication via MSAL.js, exercises on real-time data fetching and Excel cell updates, securing calls with CORS and certificates, development of a multi-user collaborative Add-in, performance testing on large datasets, API documentation for team deployment.
Preparation for deployment via Office Store or enterprise sideloading, performance optimization with caching and lazy loading, exercises on manifest versioning and OTA updates, final testing on multi-platform Excel, creation of MSI packaging for IT admins, defense of the customized red-thread project, issuance of skills certificate and post-training action plan for immediate integration.
The Training Excel Add-ins - Automate Professional Spreadsheets program is delivered onsite or remote (blended-learning, virtual classroom, remote presence). At Learni, an industry-certified training organization, every program is built to maximize skills acquisition regardless of the chosen format.
The trainer alternates between demonstrative, interrogative and active methods (through hands-on labs and/or scenarios). This pedagogical approach guarantees concrete learning that's immediately applicable at work.
For the smooth delivery of the Training Excel Add-ins - Automate Professional Spreadsheets program, the following equipment is required:
For intra-company training on a site outside Learni, the client commits to providing all required teaching materials (computers, internet, etc.) for the smooth delivery of the program in line with the prerequisites in the communicated program.
Assessment of skills acquired during the Training Excel Add-ins - Automate Professional Spreadsheets program is performed through:
Learni is committed to making its programs accessible. All our programs are accessible to people with disabilities. Our teams are available to adapt the pedagogical methods to your specific needs. Please contact us for any adjustment request.
Registration is possible up to 48 business hours before the start of training. All our programs are built for corporate L&D budgets and delivered onsite or remotely.
Before, during, after: we frame the brief, introduce the trainer, tailor the content and measure impact. You stay in control from kickoff to wrap-up.
Each trainer is validated on three criteria: hands-on field expertise, proven pedagogy and alignment with your industry.
30-minute video call between you and the selected trainer to validate the fit, adjust content and clear any final doubts.
No recycled slides. The syllabus is reworked from your real cases: tools, constraints, vocabulary, ongoing projects.
Live evaluations, 30/90/180-day check-ins and a consolidation plan. If the impact misses the mark, we rework it.
A simple promise: you don't pay to discover the trainer on day one. Everything is validated upfront, by you.
Excel & spreadsheetsIndustry-certified
Excel & spreadsheetsIndustry-certified
Excel & spreadsheetsIndustry-certified
Excel & spreadsheetsIndustry-certified
Excel & spreadsheetsIndustry-certified
Excel & spreadsheetsIndustry-certified
Excel & spreadsheetsIndustry-certified
Excel & spreadsheetsIndustry-certified
Excel & spreadsheetsIndustry-certified
Excel & spreadsheetsIndustry-certified
Automation & workflowsIndustry-certified
Automation & workflowsIndustry-certified
Automation & workflowsIndustry-certified
Automation & workflowsIndustry-certified
Automation & workflowsIndustry-certified
Automation & workflowsIndustry-certified
Office productivity & Microsoft 365Industry-certified
Office productivity & Microsoft 365Industry-certified
Office productivity & Microsoft 365Industry-certified
Office productivity & Microsoft 365Industry-certified
Office productivity & Microsoft 365Industry-certified
Office productivity & Microsoft 365Industry-certified
Strategy & steeringIndustry-certified
Strategy & steeringIndustry-certified
Strategy & steeringIndustry-certified
Strategy & steeringIndustry-certified
Strategy & steeringIndustry-certified
Strategy & steeringIndustry-certifiedAvailable on-site and remotely. Pick your city to see the local training center.
30 minutes with a learning advisor. No commitment. No sales pitch dressed up as a demo.