Which formats are included?

Every purchase includes both XLSX and CSV.

Will special characters survive?

Yes, files are UTF-8. If Excel shows odd characters, open the CSV through the import dialog and choose UTF-8.

Large exports are split so they open in Excel and import cleanly.

Updated 2026-08-30 · 5 min read

Most teams use two formats: Excel for review and CSV for importing into a CRM or email tool. Every Kontabase purchase includes both.

The time sink is the import, not the download. This checklist prevents the usual mistakes.

One company per row, one field per column. Several emails in one cell breaks almost every import tool.

Registry code is the unique key — use it to de-duplicate
Keep UTF-8 encoding so Estonian characters survive
Never format registry codes or phone numbers as numbers — Excel drops leading zeros
Leave empty contact fields empty instead of using placeholders

Import 50 rows as a test, verify column mapping, then load the full file.

Which formats are included?: Every purchase includes both XLSX and CSV.
Will special characters survive?: Yes, files are UTF-8. If Excel shows odd characters, open the CSV through the import dialog and choose UTF-8.
How large can a file be?: Large exports are split so they open in Excel and import cleanly.

Choose an industry, county, and company size, see the record count and price instantly, and download a free 25-row sample.