==== <span id="StrictOOXMLNotSupportedException">XLSX file in Strict Open XML format</span> ====
* TaticView does We do not support files with the ''XLSX files '' extension that have been were saved in with the ''Strict Open XML'' format. We recommend that:* Try to save the file using the default standard format of Excel format. See how on [[Save File Saving as Supported Format|here]].;