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Contact

Questions, bug reports, formulas that came out wrong, privacy requests or business enquiries: use the form below.

Please do not include passwords or private data. See our Privacy Policy for how messages are handled.

Prefer email? [email protected]

We usually reply within a few days. When reporting a wrong formula, include the description you typed, the language, and the spreadsheet program you use (Excel or Google Sheets). Please do not send passwords or private data.