In this presentation, author and Excel expert David H. Ringstrom, CPA, will cover a range of topics to enhance your Excel skills. You will learn how to assign names to cells, which lays groundwork for the LET and LAMBDA functions. The LET function is available in Excel 2021 and Excel for Microsoft 365 and enables you to create pairs of names and associated values that can store intermediate calculations. David will address common issues such as the #NAME? error with the LET function and then introduce the LAMBDA function available in Excel for Microsoft 365, which enables you to create custom, reusable worksheet functions without writing programming code. He will also demonstrate the ISOMITTED function and showcase the Excel Labs Add-In. Additionally, you will discover how to save LAMBDA functions to GitHub and download them from there. David will guide you through the advanced formula environment and provide insights on moving LAMBDAs between workbooks. Don't miss this opportunity to expand your Excel expertise. 

David is the author of “Microsoft Excel 365 for Dummies”, “Exploring Microsoft Excel’s Hidden Treasures”, and has written or co-authored six other books. He demonstrates every technique at least twice: first, on a PowerPoint slide with numbered steps, and second, in the subscription-based Excel for Microsoft 365. David draws your attention to any differences in Excel 2021, 2019 or 2016 during the presentation and in his detailed handouts. The handouts include an Excel workbook with most of the examples he uses during his demonstrations. 

Excel for Microsoft 365 is a subscription-based product that receives periodic feature updates. Conversely, perpetually licensed versions have year numbers in their names and do not receive any feature updates. 

Who should attend:

Professionals seeking to use Microsoft Excel more effectively.

 Topics typically covered:

  • Utilizing the ISOMITTED function with LAMBDA to create optional arguments.
  • Create your own custom worksheet functions without writing any code in Microsoft 365 with the LAMBDA function.
  • Installing the free Excel Labs Add-In which enables API access to ChatGPT.
  • Most features and functions work in Excel for Mac as well but expect differences.
  • Streamlining navigation and formula writing by turning worksheet labels into named ranges.
  • Streamline formula writing with by creating nicknames for repetitive values with the LET function in Microsoft 365.
  • Transforming cell references into range names by way of the Apply Range Names to Formulas command.
  • Understanding how using names in the wrong order can result in a #NAME? error with the LET function.
  • Retrieving values from Excel tables using XLOOKUP with structured references for dynamic, readable formulas.
  • Documenting IF functions by using LET to assign nicknames to the inputs.
  • Adding an optional third lookup using ISOMITTED to make your MULTILOOKUP LAMBDA flexible for extra inputs.
  • Assigning names to cells to streamline formulas and bookmark key inputs within a workbook.

SKU *: crs-4818
Sell price $: 48.00
Course Author: David Ringstrom
Authored on: December 101, 2025
Course Preview: <iframe src="//player.vimeo.com/video/1148567668?autoplay=1" allowfullscreen="" frameborder="0" height="357" mozallowfullscreen="" webkitallowfullscreen="" width="635"></iframe>
Course Short Description:

In this presentation, author and Excel expert David H. Ringstrom, CPA, will cover a range of topics to enhance your Excel skills.


Compliance Deep Tag: - None -
Credit Hours: 2.0
CPE Credits Awarded *: 2.0
Approval Status: - None -
Course is for: ** Main Course Library **
Course Duration: 2.0
Complexity of Content: Basic
Suppress in lists: No
Last Updated/Reviewed Date: January 13, 2026
Course Topic: Excel
Prerequisitses: Significant prior experience with Microsoft Excel is recommended.



Learning Objective:
  • Identify and state the location of the Apply Names command within the Excel menu interface.
  • Recognize what causes the #NAME? error in a LET function due to variable order.
  • Recognize valid syntax and argument requirements when creating a LAMBDA function in Excel.
Learning Tags:

Excel

Course Type: CPE Course
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pre-approved by HRCIThis activity,   ID No. 000000 has been approved for  1.0 HR (General) recertification credit hours toward aPHR™, PHR®, PHRca®, SPHR®, GPHR®, PHRi™ and SPHRi™ recertification through HR Certification Institute® (HRCI®). Please make note of the activity ID number on your recertification application form. For more information about certification or recertification, please visit the HR Certification Institute website at   www.hrci.org.
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This program has been approved for 2 Business aPHR™, PHR®, PHRca®, SPHR®, GPHR®, PHRi™ and SPHRi™ recertification credit hours through the HR Certification Institute. For more information about certification or recertification, please visit the HR Certification Institute homepage at www.hrci.org.
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pre-approved by HRCIThis activity,   ID No. 000000 has been approved for  1.0 HR (General) recertification credit hours toward aPHR™, PHR®, PHRca®, SPHR®, GPHR®, PHRi™ and SPHRi™ recertification through HR Certification Institute® (HRCI®). Please make note of the activity ID number on your recertification application form. For more information about certification or recertification, please visit the HR Certification Institute website at   www.hrci.org.
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pre-approved by HRCI
This program has been approved for 2 Business aPHR™, PHR®, PHRca®, SPHR®, GPHR®, PHRi™ and SPHRi™ recertification credit hours through the HR Certification Institute. For more information about certification or recertification, please visit the HR Certification Institute homepage at www.hrci.org.
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pre-approved by HRCIThis activity,   ID No. 000000 has been approved for  1.0 HR (General) recertification credit hours toward aPHR™, PHR®, PHRca®, SPHR®, GPHR®, PHRi™ and SPHRi™ recertification through HR Certification Institute® (HRCI®). Please make note of the activity ID number on your recertification application form. For more information about certification or recertification, please visit the HR Certification Institute website at   www.hrci.org.
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This program has been approved for 2 Business aPHR™, PHR®, PHRca®, SPHR®, GPHR®, PHRi™ and SPHRi™ recertification credit hours through the HR Certification Institute. For more information about certification or recertification, please visit the HR Certification Institute homepage at www.hrci.org.
The use of this seal confirms that this activity has met HR Certification Institute’s® (HRCI®) criteria for recertification credit pre-approval.
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pre-approved by HRCIThis activity,   ID No. 000000 has been approved for  1.0 HR (General) recertification credit hours toward aPHR™, PHR®, PHRca®, SPHR®, GPHR®, PHRi™ and SPHRi™ recertification through HR Certification Institute® (HRCI®). Please make note of the activity ID number on your recertification application form. For more information about certification or recertification, please visit the HR Certification Institute website at   www.hrci.org.
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This program has been approved for 2 Business aPHR™, PHR®, PHRca®, SPHR®, GPHR®, PHRi™ and SPHRi™ recertification credit hours through the HR Certification Institute. For more information about certification or recertification, please visit the HR Certification Institute homepage at www.hrci.org.
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Sponser: Illumeo
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