If you see the error "Incorrect CSV format, missing 'Email' header" when uploading a CSV file on a device purchased in the EU, your file is using semicolons instead of commas as separators. You must convert the semicolons before reuploading your file.

Check Your CSV Format First
Before trying the workaround below, verify the file requirements here.
Why This Error Happens
Devices purchased in the EU use semicolons (;) as the default CSV separator instead of commas (,).
Note: If your device wasn't purchased in the EU but you're still getting this error, your CSV file has a different formatting issue. Contact ContactMonkey Support for assistance with troubleshooting.
Fix the Separator Issue
On Windows
- Open the CSV file in the Notepad app
- Press Ctrl + H on your keyboard to open Find and Replace
- In the "Find what" field, enter a semicolon:
; - In the "Replace with" field, enter a comma:
, - Click Replace All
- Click File → Save to save your changes
- Upload the corrected CSV file to ContactMonkey

On Mac
- Open the CSV file in the TextEdit app
- Click Edit → Find → Find and Replace in the top menu
- In the "Find" field, enter a semicolon:
; - In the "Replace" field, enter a comma:
, - Click All, then click Done
- Press Command + S to save your changes
- Upload the corrected CSV file to ContactMonkey