- Check whether date format is correct in the cell
- Check the number format chosen for the cell
- Check the Regional and Language Settings
- Check the Excel Application
Open the cell as an edit mode and check if a valid date and the correct date format is applicable.
Verify that the number format is set to one of the applicable date formats that can be recognized by Excel.
Correctly configure the Regional and Language settings to enable the operating system to accurately recognize the date formats in the cell.
Verify that the Autofit option is enabled for columns and rows in the Excel application.