How to paste data without formatting
How to use the format painter
How to filter and sort data
How to use the SUMIF function
How to freeze panes
Excel Function Dictionary
Excel Function Guide
Excel Shortcut Dictionary
Excel Shortcut Guide
Terrier eDevelopment Excel Channel - you can filter the courses by your version of Excel and your skill level.
ChatGPT (and other generative AI platforms) is incredibly useful when troubleshooting a function or working through calculations. You can also try asking about Excel shortcuts, system set-up, and other tricks to make operating in Excel easier. Here's an example conversation: https://chatgpt.com/share/672bc84a-1e74-800c-9fd3-1d6fbbb76651
Microsoft Support has guides for everything. Search the Excel support page for detailed process guides: https://support.microsoft.com/en-us/excel
YouTube has many content creators and videos for both conceptual material ("Excel macros for beginners") and specific functional topics ("XLOOKUP in Excel").