Cathy Horwitz
Cathy Horwitz
Cathy Horwitz is a highly experienced Microsoft Office instructor, specializing in Excel, Word, PowerPoint, Outlook, and Access. With over 30 years of expertise in both in-person and online training, she has helped thousands of professionals boost productivity, streamline workflows, and master essential Microsoft Office skills.
Cathy has been teaching Microsoft Office since its inception, offering tailored training programs that meet the unique needs of individuals and businesses. Her courses cover everything from Excel formulas, PivotTables, and automation with macros to Word document formatting, PowerPoint presentation design, and Outlook email management. Workshops from beginning level through advanced are available.
Known for her engaging, hands-on teaching style, Cathy incorporates real-world business scenarios to ensure students gain practical skills they can immediately apply. Whether you're looking for corporate training, individual coaching, or advanced Microsoft Office workshops, Cathy delivers results-driven instruction that enhances efficiency, problem-solving, and software proficiency.
When not teaching, Cathy enjoys gardening, shopping estate sales and refinishing mid-century furniture.
Live Webinar
By: Cathy Horwitz
Nov. 10, 2026
Excel Power Skills: Master Functions, Formulas, and Macros – A 3-Hour Workshop
This 3-hour Excel workshop covers three intermediate to advanced features that bring automation into your spreadsheets: formulas and functions, lookup functions and macros.
You'll start with…
Industry: Software Duration: 180 Minutes Time: 10:00 AM PDT | 01:00 PM EDT
Recorded Session
By: Cathy Horwitz
Recorded Session
6-Hour Virtual Seminar on Learning the Highlights of Excel - A Complete Set of Useful Tools
Excel does far more than hold data in rows and columns. This 6-hour Excel training seminar shows you how to calculate, summarize and chart your data, find what matters with sorting and filtering, …
Industry: Software Duration: 360 Minutes
By: Cathy Horwitz
Recorded Session
Transform Data into Insights: A Beginners Guide to Excel PivotTables
PivotTables are arguably the most popular analysis tool in Microsoft Excel, used across industries to report on performance. This 90-minute beginner's guide to Excel PivotTables shows how to summa…
Industry: Software Duration: 90 Minutes
By: Cathy Horwitz
Recorded Session
The Top Ten Excel Functions Everyone Should Know
Excel has hundreds of functions, but a handful do most of the everyday work. This 60-minute Excel functions training covers the ten that every user should know, whether you're an office worker, a …
Industry: Software Duration: 60 Minutes
By: Cathy Horwitz
Recorded Session
Creating Smart Presentations: Integrating Word Excel and PPT
Most of us use Excel, Word and PowerPoint separately, then paste data from one into another. But Microsoft Office is built for integration, and each program has features for sharing data automatic…
Industry: Software Duration: 90 Minutes
By: Cathy Horwitz
Recorded Session
Managing Excel Data Through the Use of Sorting, Filtering, Subtotalling
Most office workers know Excel basics, but sorting, filtering and subtotals are where you start getting real value from your data. This 90-minute Excel training shows how to use these tools to wor…
Industry: Software Duration: 90 Minutes
By: Cathy Horwitz
Recorded Session
Creating Smart Presentations: Integrating Excel, PowerPoint and Word
Most people use Excel, Word and PowerPoint separately and paste data between them. This 60-minute Microsoft Office integration training shows how to combine their automated features to create smar…
Industry: Software Duration: 60 Minutes
By: Cathy Horwitz
Recorded Session
Excel: Demystifying the Sort and Filter Tools. How to Easily Summarize & Analyze Complex Data.
Excel is a strong tool for managing and analyzing long lists of data, as long as you know how to find what you need. This 60-minute Excel sort and filter training covers the tips and shortcuts for…
Industry: Software Duration: 60 Minutes