11,677
edits
Changes
Importing a new version from external source
==== <span id="InvalidXLSXFormatException">XLSX file is in an invalid format</span> ====
* The file's structure does not respect the XLSX format. Try saving the file again using Excel. See how on [[Save File Supported Format]];
* Check if the file is secured with a password if so, remove it;
* The file's structure does not respect the XLSX format. Try saving the file again using Excel. See how on [[Save File Supported Format]];
* Check if the file is secured with a password if so, remove it;
