Using Excel for Data Analysis: Best Practices and Techniques
A reliable Excel data-analysis workflow β frame the question, clean and structure the data, explore with a pivot, pick the right tool, and verify before you trust the result.
Formulas
The Ultimate Guide to Functions in Excel: From Basic to Advanced
Excel’s modern dynamic-array functions explained β spill, FILTER, SORT, UNIQUE, SEQUENCE, LET and LAMBDA β where one formula fills a whole range and updates itself live.
Mastering Pivot Tables: A Comprehensive Tutorial for Excel Users
Turn pivot tables into interactive dashboards β PivotCharts, slicers, and timelines, with one slicer driving every chart via Report Connections, plus drill-through and refresh.
Top 5 Excel Templates for Project Management: A Beginner’s Guide
Five Excel templates that run a small project without dedicated software β a task tracker, Gantt timeline, budget, status dashboard, and risk log, with build guides for each.
10 Essential Excel Formulas Every Professional Should Know
The dozen Excel formulas that cover 90% of real work β SUM, IF, SUMIF, VLOOKUP and XLOOKUP, text and date functions, plus absolute references and IFERROR.
The Power of VLOOKUP: How to Use It Effectively in Your Spreadsheets
Use VLOOKUP effectively in Excel β the four arguments, why you always end with FALSE, locking the table, cross-sheet lookups, IFERROR, and when to switch to XLOOKUP.
How to Use Excel for Financial Analysis: Key Formulas and Functions
Excel’s key financial functions explained β PV, FV, PMT, NPV, IRR, RATE, IPMT β plus the sign convention and rate-period rules that break most first formulas.
Time-Saving Keyboard Shortcuts for Excel That Every User Should Know
The Excel mouse habits quietly costing you time β and the single keystroke that kills each. Stop scrolling, dragging, copy-pasting, and ribbon-hunting.
Data Validation Techniques in Excel: Ensuring Accurate Data Entry
Excel data validation that keeps entries clean β dropdown lists, number and date rules, input messages, custom-formula checks, dependent dropdowns, and Circle Invalid Data.
Incorporating Charts and Graphs into Your Excel Reports: A Step-by-Step Guide
Build Excel charts that earn their place in a report β match the chart to your message, strip the clutter, use combo charts and sparklines, and wire visuals to live data.
Google Sheets QUERY Function: SQL-Style Data Analysis Guide
The Google Sheets QUERY function, clause by clause β SELECT, WHERE, GROUP BY, ORDER BY and LIMIT β to filter, summarize, and rank a dataset in one live formula.
Google Sheets Array Formulas: Powerful Techniques Guide
ARRAYFORMULA runs one formula down a whole column: stretch IF and VLOOKUP across rows, auto-number, and skip it when FILTER or QUERY already spills.