openattachmentbyextension:internal error Exception... "Component returned failture code:0x80520012 ....
openattachmentbyextension:internal error Exception... "Component returned failture code:0x80520012 .... attach screen open *.xls this error open *.xlsx no error open ok
Wšě wotmołwy (1)
That sounds like an error in the add-on open by extension. Perhaps you should raise it with the author