Excel files are not rendering properly

[kuladeep09]

Excel files(.XLSX) files are not displaying properly if the excel file is having blank cells in the starting row and column

[zmdmumu]

If the file is read-only, the Chinese characters cannot be displayed correctly in the preview. It seems that the file attributes affect the encoding

[gayathri138]

.xlsx is not supported

[gayathri138]

if i converted to csv it will come nan