CSV to Excel failed or not working — what can you do?

What you can do

• Open CSV to Excel and retry with a small known-good sample.
• Confirm you are not hitting this limit: Only .csv; max 2MB per file; up to 10 in the list.
• Check the FAQ below—encryption, size limits, and format mismatches are the usual causes.
• Still stuck? Try a private window, or read the full guide /#article/csv2xlsx.

FAQ

What limitations should I know?

Only .csv; max 2MB per file; up to 10 in the list.

When might it fail?

Prefer UTF-8 (BOM allowed); non-UTF-8 is marked failed.

What else should I watch for?

Processing is local; ZIP download loads JSZip from CDN.

Any other important notes?

Failed rows show a reason on hover; they are omitted from the ZIP.