Sparklines Courses

Create Charts and Dashboard using Google Sheets
Coursera Project Network via Coursera

Leverage Google Finance Functions in Google Sheets
Coursera Project Network via Coursera

Data Visualization in Excel
Macquarie University via Coursera

Microsoft Excel 2010: Advanced Training
Udemy

Microsoft Excel 2013 Advanced. Online Excel Training Course
Udemy

Smart Tips: Excel
Udemy

Microsoft Excel - Improve your skills quickly
Udemy

Summarizing and Organizing Data in Excel
Pluralsight

Data-Driven Presentations with Excel and PowerPoint 2016
LinkedIn Learning

Excel 2016: Charts in Depth
LinkedIn Learning