CSV IMPORT TROUBLESHOOTING
Why Won't My CSV Import?
A CSV import usually fails because the file's actual structure, delimiter, encoding, or headers differ from the contract the receiving system expects.
Reviewed 18 August 2026CSV GUIDES
Practical answers for stubborn CSV files.
Understand the failure before you change the data. These reviewed references cover structure, encoding, multiline records, duplicates, and spreadsheet type conversion.
CSV ENCODING GUIDE
How to Fix Weird Characters in a CSV
Garbled CSV text usually means valid bytes were decoded with the wrong character encoding; replacement symbols can instead mean information was already discarded.
Reviewed 18 August 2026JAPANESE CSV ENCODING
UTF-8 vs Shift-JIS CSV
UTF-8 is the interoperable Unicode choice for new CSV files; Shift_JIS remains a compatibility requirement for some Japanese Windows and business systems.
Reviewed 18 August 2026UNEVEN CSV ROWS
CSV Has Different Number of Columns
An uneven-column error means at least one logical CSV record parses to a different number of fields, often because of a missing delimiter, extra delimiter, or broken quote boundary.
Reviewed 18 August 2026CSV DUPLICATE REMOVAL
How to Remove Duplicate Rows From CSV
Safe CSV deduplication starts by defining the comparison key, reviewing duplicate groups, and choosing explicitly whether the first or last matching row should survive.
Reviewed 18 August 2026CSV AND EXCEL TYPES
Why Does Excel Remove Leading Zeros From CSV?
Excel removes leading zeros when it interprets digit-only CSV text as a number, even though postal codes, SKUs, account references, and phone fragments are identifiers.
Reviewed 18 August 2026MULTILINE CSV FIELDS
Why CSV Rows Break Across Multiple Lines
A CSV record can legitimately occupy several physical lines when a quoted field contains a line break; rows break incorrectly when quote boundaries are missing or software splits raw lines instead of parsed records.
Reviewed 18 August 2026CSV QUOTING
CSV Quoted Commas and Double Quotes
A comma is data only inside a quoted CSV field, and a literal double quote inside that field is written twice.
Reviewed 18 August 2026