This is a bit custom, since it's not a Microsoft filter. At the moment this affects only Insert -> Object -> OLE Object -> from file. Change-Id: If79602742a533db1b04e11a90890f8768186046d Reviewed-on: https://gerrit.libreoffice.org/77520 Reviewed-by: Miklos Vajna <vmiklos@collabora.com> Tested-by: Jenkins