We have an odd issue whereby sometimes on saving an Excel spreadsheet (via a mapped drive on a remote Synology NAS drive) there as a TMP file created in place of the XLS file - this is only on the PC that saves the file. Other users still see the XLS file.
If you reboot the PC the XLS file reappears and the TMP file disappears - you have to reboot for this to happen.
Does anyone have any ideas on how to solve this issue?