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Importing a new version from external source
==== <span id="ThereAreNoColumnsException"><span id="FileWithoutRowsException">We could not detect any File without columns of data column in the file</span></span> ====
* Check if the file you are trying to import is in a format accepted by TaticView. See more [[Excel Importing Guide]];
* TaticView reads the first ten columns (on the first visible tab in XLS and XLSX files) of the file to detect the data columns. In case the columns are not found, the process is aborted;
* Check if there is data in the first tab (spreadsheet) of the file you are trying to upload. We always consider the first tab;