: Open your table in Design View and select "Date/Time Extended" from the Data Type drop-down menu.
The data type is a modernized storage format in Microsoft Access, designed to improve compatibility with external databases and provide higher precision for time-sensitive records. Key Features
: This extended type covers a much wider range of years than the standard date type. About Dat Time (Extended Version)
: It is specifically designed to align with the SQL Server datetime2 data type. This ensures that when you link or import Access data to SQL Server, the fields map consistently without loss of data or formatting. Compatibility & Requirements
: Currently, this data type is only available in Microsoft 365 and Access 2021 . : Open your table in Design View and
: It supports a higher fractional precision for seconds, making it ideal for records that require extreme accuracy.
: If you are linking to an external SQL Server database, go to File > Options > Current Database and check the box for "Support Date Time Extended (DateTime2) Data Type for Linked/Imported Tables" . Using the Date/Time Extended data type - Microsoft Support : It is specifically designed to align with
: There is currently no native support for this data type in VBA; values are typically handled as strings when used in code. How to Use It