Check first our [[Excel Importing Guide]].

'''If your file is failing to import, check this important tips:'''

* Check if the file is supported ([[Supported File Formats]]);

** Check if selected file encoding, columns, decimal separator and date mask match the file;

** Try to save as XLS or XLSX to import;

To maintain the correct operation of the created dashboards, some definitions and settings can not be changed later in the data source and in the import file:

* Columns can not be added between the original columns in the file;