ChatGPT can assist with complex Excel formulas, including a VLOOKUP plus IFERROR to return not listed when no match appears.
Nothing in your spreadsheet is there by accident.
How-To Geek on MSN
Why your old Excel spreadsheet is 'legacy code' (and how to fix it)
Transform legacy spreadsheets into maintainable, automated tools that scale and survive the test of time.
The public API is still not stable and it is a very good idea to read release notes and migration guide before each update. Performance matters mostly for large files. For small files, few ms here or ...
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