Power Query for Beginners: Clean Excel Data
Learn a beginner-friendly Power Query workflow for importing, cleaning, and refreshing Excel data without writing M code.
Find step-by-step solutions for your spreadsheet problems. All guides are beginner-friendly with clear instructions.
View all guidesLearn a beginner-friendly Power Query workflow for importing, cleaning, and refreshing Excel data without writing M code.
Clean imported CSV data in Excel by fixing shifted columns, dates, numbers, hidden spaces, duplicates, garbled characters, and blanks with reliable import and cleanup steps.
Remove leading, trailing, double, non-breaking, and hidden spaces in Excel with TRIM, CLEAN, SUBSTITUTE, Find and Replace, and lookup-safe helper columns.
Convert numbers stored as text in Excel with error checking, Text to Columns, Paste Special, VALUE, NUMBERVALUE, and a bulk fix that repairs a whole column at once.
Fix an Excel #SPILL error by matching the warning message to its cause: blocked spill ranges, merged cells, table limits, oversized arrays, and stale spill references.
Fix Excel formulas that are not calculating, updating, or showing results by checking calculation mode, text formatting, references, circular formulas, and hidden data issues.
Fix XLOOKUP when it returns #N/A, #VALUE!, #SPILL!, the wrong result, or stops working after you copy the formula.
Compare Excel FILTER and VLOOKUP, learn when to return matching rows versus one lookup value, and choose the right formula for reports, lists, and legacy workbooks.
Learn how to use IF with AND and OR in Excel, including multiple conditions, combined AND/OR logic, practical examples, and common formula mistakes.
Compare SUMIF vs SUMIFS in Excel with examples. Learn when to use one condition, multiple criteria, date ranges, wildcards, and the right argument order.
Learn practical ways to compare two columns in Excel, find matches, find missing values, highlight differences, and return related data with COUNTIF, XLOOKUP, and FILTER.
Learn the difference between COUNTIF and COUNTIFS in Excel, when to use each function, how criteria pairs work, and how to fix common counting mistakes.
Find duplicates in Excel with Conditional Formatting, COUNTIF, COUNTIFS, and exact-match formulas, plus the case, wildcard, and space reasons a duplicate check misses rows.
VLOOKUP across sheets in Excel: the exact formula for a lookup between 2 sheets, quoted sheet names, locked ranges, and cross-sheet #N/A and #REF! fixes.
VLOOKUP with multiple criteria: build one combined key with a helper column and a delimiter, plus CHOOSE, XLOOKUP, INDEX MATCH, and #N/A fixes.
VLOOKUP returns #N/A even though the value exists? Check hidden spaces, numbers stored as text, keys with leading zeros, the table range, and exact match.
Learn how to create your first Excel PivotTable, summarize sales data, use rows, columns, values, filters, refresh results, and avoid common beginner mistakes.
Learn how to use Excel FILTER to return matching rows dynamically, combine multiple conditions, handle empty results, and build cleaner reports.
Learn how to use Excel SUMIF and SUMIFS to total values by one condition, multiple conditions, dates, text, blanks, and comparison rules.
Learn how Excel dynamic array formulas spill results automatically, and how to use FILTER, SORT, UNIQUE, SEQUENCE, TEXTSPLIT, and spill references in real worksheets.
Compare VLOOKUP, XLOOKUP, and INDEX MATCH in Excel with examples, speed notes, compatibility guidance, multiple criteria formulas, and a practical decision table.
XLOOKUP in Excel step by step: write the formula, fix XLOOKUP not working (#N/A, #VALUE!, #SPILL!), compare two columns, and replace VLOOKUP.
Learn how to find and replace in Excel with Ctrl+H, Mac shortcuts, formulas, wildcards, format search, Find All, and safer Replace All workflows.
Learn how to use Excel's data validation feature to ensure accurate data entry, including creating drop-down lists, setting value ranges, and implementing custom validation rules.
Master Excel TEXT function usage, from date formatting to number formatting, and enhance data presentation effects
Master Excel AVERAGE function usage, from basic averages to weighted averages, and enhance data analysis capabilities
Master Excel SUM function usage, from basic addition to conditional summing, and improve data processing efficiency
Sort Excel data with single-column, multi-column, custom list, and color sorting, plus the SORT function and fixes for common sort problems.
Learn relative, absolute, and mixed cell references in Excel, including when to use dollar signs, the F4 shortcut, and common copy-formula mistakes.
Master these 10 must-learn Excel shortcuts to boost your productivity by 50% or more, perfect for beginners looking to work faster.
Learn which Excel COUNT function to use, with examples for COUNT, COUNTA, COUNTBLANK, COUNTIF, and COUNTIFS.
Comprehensive tutorial on Excel IF function covering basic syntax, nested IF, AND/OR combinations, practical applications, common errors, and alternatives like IFS function.
Learn why Excel PivotTables may ignore the normal error display setting for calculated fields, and how to show #DIV/0! and other errors as dashes with custom number formatting.
A step-by-step guide for Excel Beta users on TRIMRANGE function and Trim References to remove empty rows from range edges, optimize dynamic array formulas, and boost performance.
Turn static Excel tables into dynamic visual tools with Conditional Formatting. Learn how to highlight trends, outliers, and critical values in seconds with 5 practical, job-ready techniques.
Clean messy Excel data by removing duplicates, trimming extra spaces, standardizing dates, splitting names, and filling missing values with a practical step-by-step example.
Explore every common Excel formula error, understand why they occur, and learn step-by-step solutions with real examples to fix them.
Learn how to use the Excel LAMBDA function to build reusable custom formulas, name them in Name Manager, and avoid common LAMBDA errors.
Learn how to use the Excel LET function to name repeated calculations, simplify long formulas, and troubleshoot common LET errors.
Learn how to use Autofill options in Excel efficiently with the fill handle, fill series, dates, formulas, custom lists, Flash Fill, and shortcuts.
VLOOKUP not working? Fix #N/A, wrong data, and #REF! fast: exact match, the table array, the column index, hidden spaces, and text numbers.
Remove duplicate rows in Excel without losing valid records. Preview matches, pick the right columns, back up the sheet, and delete duplicates safely.
Learn how to merge cells in Excel without losing data. Combine text first with CONCATENATE, TEXTJOIN, or &, then merge safely for clean headers.