We've updated with another new build of the XLS plugin. This one fixes a bug which leaves behind a number of temporary files (with random names like "s61c", etc.) in the root directory when it encounters certain types of XLS files (such as password protected files that it can not process).
You can download this update here:
http://www.wrensoft.com/zoom/plugins.html
You can download this update here:
http://www.wrensoft.com/zoom/plugins.html