Excel
Formulas, pivot tables, Power Query and Excel dashboards.
Excel for Data Analysis: The Complete Beginner's Guide
Learn Excel for data analysis step by step: structure and clean data, use SUMIFS and XLOOKUP, summarize with PivotTables and build clear charts.
Read article →ExcelExcel Pivot Tables: Step-by-Step Guide with Examples
Create Excel PivotTables step by step: group dates, show % of total, add calculated fields and slicers, and keep reports accurate with GETPIVOTDATA.
Read article →ExcelXLOOKUP vs VLOOKUP vs INDEX-MATCH: Which One to Use
XLOOKUP vs VLOOKUP vs INDEX-MATCH compared with working formulas: exact match, left lookups, two-way and multi-criteria lookups, and which one to choose.
Read article →ExcelPower Query in Excel: Clean and Transform Data Automatically
Learn Power Query in Excel: connect to files, clean messy data with applied steps, combine a folder of files and refresh everything with one click.
Read article →ExcelHow to Build an Interactive Dashboard in Excel
Build an interactive Excel dashboard step by step: plan KPIs, create PivotTables and PivotCharts, add KPI cards and connect slicers and a timeline.
Read article →ExcelExcel Dynamic Arrays: FILTER, SORT, UNIQUE and SEQUENCE
Learn Excel dynamic arrays: FILTER, SORT, UNIQUE and SEQUENCE with practical formulas, spill ranges, the # operator and fixes for #SPILL! errors.
Read article →ExcelPower Pivot and the Excel Data Model Explained
Learn how Power Pivot and the Excel Data Model work: load multiple tables, create relationships, write DAX measures and build pivots beyond 1M rows.
Read article →ExcelExcel Charts: Best Practices for Clear Business Reports
Excel chart best practices for business reports: choose the right chart type, remove clutter, use color with intent and write insight titles.
Read article →ExcelConditional Formatting in Excel for Data Analysts
Master Excel conditional formatting for analysis: formula rules, whole-row highlights, duplicates, heatmaps, data bars and keeping workbooks fast.
Read article →ExcelLAMBDA and LET in Excel: Write Your Own Functions
Learn LET and LAMBDA in Excel: name values inside formulas, build reusable custom functions in Name Manager, and use BYROW, MAP and SCAN.
Read article →ExcelHow to Build a Weekly Sales Report in Excel
Build a weekly sales report in Excel step by step: an Excel Table, SUMIFS KPIs, week-over-week change, top 10 accounts and a trend chart that refreshes.
Read article →ExcelCopilot and AI in Excel: What It Can Do for Analysts
What Copilot in Excel can do for analysts in 2026: formulas, PivotTables, charts and Agent Mode, plus its limits and a workflow to get reliable results.
Read article →ExcelThe Excel Data Cleaning Checklist (20 Steps)
A 20-step Excel data cleaning checklist: fix structure, spaces, text numbers, dates, duplicates and categories, then validate totals and automate it.
Read article →Excel50 Excel Keyboard Shortcuts Every Analyst Should Know
50 Excel keyboard shortcuts for analysts, grouped by task: navigation, editing, formatting, formulas, Tables and filters, plus a 4-week plan to learn them.
Read article →ExcelExcel vs Power BI: When to Use Each One
Excel vs Power BI compared: data volume, sharing, refresh, security and learning curve, with a simple checklist to decide which tool fits your report.
Read article →ExcelForecasting in Excel: FORECAST.ETS and Trendlines
Learn to forecast sales in Excel with FORECAST.ETS, the one-click Forecast Sheet and chart trendlines, plus how to check accuracy and avoid common errors.
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