July 22, 2026
How to Clean Data in Excel: Every Step
Clean data in Excel step by step: remove duplicates, trim spaces, split and combine columns, fix formats, then clean a CSV in the browser.
Read article →The Sigmera blog
Practical, no-fluff writing on cleaning messy spreadsheet and CRM data — and why it should never leave your browser.
July 21, 2026
How to Remove Blank Rows in Excel
Remove blank rows in Excel with Go To Special, a filter, sorting, or Power Query — plus the Google Sheets method and a browser way to strip blanks from a CSV.
Read article →July 20, 2026
What Is a CSV File? Format, Uses, and Pitfalls
A CSV file is plain text holding a table, one row per line. Learn the RFC 4180 rules, how to open one safely, and where CSVs break.
Read article →July 18, 2026
How to remove duplicates in Google Sheets
Remove duplicates in Google Sheets with the built-in tool, UNIQUE, or COUNTIF. What each method deletes, the whitespace trap, and when to work outside Sheets.
Read article →July 25, 2026
How to Find and Replace in Excel Without Errors
Find and Replace in Excel with Ctrl+H, wildcards, and the options that decide what changes — plus how to run the same swap on a CSV with no upload.
Read article →July 27, 2026
How to Open CSV in Excel Without Breaking Data
Open a CSV in Excel without losing leading zeros, flipping IDs to scientific notation, or turning text into dates. The import route that keeps values intact.
Read article →July 19, 2026
How to combine two columns in Excel
Combine two columns in Excel with the ampersand, CONCAT, TEXTJOIN, or Flash Fill. Which method your version supports, and how to keep the result after export.
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