https://www.youngju.dev/blog 천천히 올바르게. AI Researcher & DevOps Engineer Youngju's tech blog. GPU/CUDA, LLM, MLOps, Kubernetes AI workloads, distributed training, and data engineering. ko fjvbn2003@gmail.com (Youngju Kim) fjvbn2003@gmail.com (Youngju Kim) Mon, 15 Jun 2026 00:00:00 GMT https://www.youngju.dev/blog/productivity/2026-06-15-excel-modern-functions-2026.en https://www.youngju.dev/blog/productivity/2026-06-15-excel-modern-functions-2026.en A practical guide to the latest Microsoft 365 Excel functions, organized around real-world examples. From dynamic arrays and the spill concept to XLOOKUP, FILTER, LET, LAMBDA, GROUPBY/PIVOTBY, and regular expression functions — learn them all in one place and boost your productivity. Mon, 15 Jun 2026 00:00:00 GMT fjvbn2003@gmail.com (Youngju Kim) excelproductivitydynamic-arraylambdagroupbyspreadsheetoffice https://www.youngju.dev/blog/productivity/2026-06-15-excel-modern-functions-2026.ja https://www.youngju.dev/blog/productivity/2026-06-15-excel-modern-functions-2026.ja Microsoft 365 Excel の最新関数を実務の例で整理します。動的配列とスピルの概念から、XLOOKUP、FILTER、LET、LAMBDA、GROUPBY/PIVOTBY、正規表現関数まで一度に習得し、業務の生産性を高めます。 Mon, 15 Jun 2026 00:00:00 GMT fjvbn2003@gmail.com (Youngju Kim) excelproductivitydynamic-arraylambdagroupbyspreadsheetoffice https://www.youngju.dev/blog/productivity/2026-06-15-excel-modern-functions-2026 https://www.youngju.dev/blog/productivity/2026-06-15-excel-modern-functions-2026 Microsoft 365 엑셀의 최신 함수들을 실무 예제로 정리합니다. 동적 배열과 spill 개념부터 XLOOKUP, FILTER, LET, LAMBDA, GROUPBY/PIVOTBY, 정규식 함수까지 한 번에 익혀 업무 생산성을 끌어올립니다. Mon, 15 Jun 2026 00:00:00 GMT fjvbn2003@gmail.com (Youngju Kim) excelproductivitydynamic-arraylambdagroupbyspreadsheetoffice