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Dynamics 365 Community / Forums / Small and medium business | Business Central, N... / Date format for bank r...
Small and medium business | Business Central, N...
Answered

Date format for bank reconciliation bank statement import

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Posted on by CU13010319-0 541
I have a CSV file here to upload for a bank account reconciliation for the bank statement entries. Most of the time the date has been in format MM-DD-YYYY, so i have been able to configure the data exchange definition and import with no issue. However, the current file I have the date is in format DD-MM-YYYY, so I receive an error when importing the CSV: the value in line 1, column 4 has incorrect format or type. Expected format: date, according to the data format and data formatting culture of the data exch column def. Actual value "01-12-2025".
I have tried both types of text and date, as well as using the transformation rule for US_date_format. Any suggestions, on the data exchange, transformation rule or elsewhere to be able to read the date correctly? I do not want to manually edit the date on the CSV as there are too many lines to do so
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  • Verified answer
    Valentin Castravet Profile Picture
    Valentin Castravet 32,506 Super User 2026 Season 1 on at
    Have you tried using dd-MM-yy as the data format for the data field in the data exchange definition? You shouldn't have to use a transformation rule.
     
  • Suggested answer
    YUN ZHU Profile Picture
    YUN ZHU 99,974 Super User 2026 Season 1 on at
    Hi, hope the following can give you some hints.
    Dynamics 365 Business Central: Add more custom processing when importing Bank Statement (Bank Export/Import Setup) – Customization
     
    Thanks.
    ZHU
  • Suggested answer
    Rajvi Shah Profile Picture
    Rajvi Shah 246 on at
    Hello,
     
    This issue occurs because Business Central reads the date based on the Data Formatting Culture defined in the Data Exchange Definition. Currently it is expecting MM-DD-YYYY (en-US), but your file contains DD-MM-YYYY, so the system misinterprets the value 01-12-2025.
  • Suggested answer
    OussamaSabbouh Profile Picture
    OussamaSabbouh 14,539 Super User 2026 Season 1 on at
    Hello,
    Your CSV import fails because the Data Exchange Definition expects MM-DD-YYYY, while the file now contains DD-MM-YYYY. The fix is simply to edit the Column Definitions for that field, keep Data Type = Date, and change Data Format to dd-MM-yyyy so it matches the CSV format; once the format matches the incoming data, Business Central will import it correctly without needing transformation rules or manual edits to the file.
     
    Regards,
    Oussama Sabbouh

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