excel word a large number of temporary files

Open WORD or EXCEL documents, will generate a lot of temporary files, normally closed after the document is automatically deleted this file.
Do not know how recently engaged, the system can not automatically delete the file, to ask where to set the parameters, WORD so automatically restored to delete temporary files of this type of condition.

This does not matter, proposed to delete or not, Their system is generated.
General, to re-open the original WORD or EXCEL documents, out of the normal preservation, we would not find such a situation.Settings do not need it, close the file, delete the temporary files had, Does not affect the