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Excel

Free Excel Alternatives: Sheets, LibreOffice, WPS

Free Excel alternatives compared: Google Sheets in depth (QUERY, IMPORTRANGE, ARRAYFORMULA), plus LibreOffice Calc and WPS Spreadsheets.

September 27, 2026 12 min read
Excel

Excel Interview Scenarios, Solved in Excel

Eight practical Excel interview scenarios, from finding a top performer to cleaning messy names, each solved and run…

September 27, 2026 13 min read
Excel

Excel Shortcuts, Calculation and Sharing

Excel shortcuts, calculation modes, iterative calculation, and sheet, workbook and sharing protection, each demonstrated with real results from…

September 27, 2026 13 min read
Excel

Excel Power Query and Data Model Explained

Excel Power Query and the Data Model explained: Applied Steps, common transformations, relationships versus VLOOKUP, and a first…

September 27, 2026 10 min read
Excel

Excel What-If Analysis: Goal Seek, Data Tables

Excel What-If Analysis explained: Goal Seek, one and two-variable Data Tables, Scenario Manager, and when to use Solver…

September 27, 2026 10 min read
Excel

Excel Financial Functions: PMT, NPV, IRR Explained

Excel financial functions explained: PMT, FV, NPV, IRR, MIRR, IPMT, CUMIPMT, EFFECT, depreciation methods, and XNPV/XIRR, with real…

September 27, 2026 13 min read
Excel

Excel Charts: Common Mistakes and How to Fix Them

Excel charts through the mistakes that go wrong: the header-row trap, series direction, hidden rows, axis scaling, pie…

September 27, 2026 11 min read
Excel

Excel PivotTables Explained: Build, Group, Refresh

Excel PivotTables explained: building one, Show Values As, calculated fields and items, grouping dates, refreshing, and GETPIVOTDATA, with…

September 27, 2026 10 min read
Excel

Excel Data Cleaning and Validation Explained

Excel data cleaning and validation: Text to Columns, Find and Replace, validation rules, list case sensitivity, and why…

September 27, 2026 10 min read
Excel

Excel Tables, Sorting and Filtering Explained

Excel Tables, sorting and filtering explained: structured references, total rows, SUBTOTAL vs SUM, sort order, AutoFilter, Advanced Filter…

September 27, 2026 12 min read
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