to find document files you can find by the use of search box in which you type the name of the document or .docs , .txt , etc .
if you created that file last week you can use the following steps : -
- open my computer
- open recent places
- click on date modified choose your date that you created document
- then you will see that all files and data are given in that dialogue box in which you also see that document you created .
to coping a file to another folder follow the given steps :-
- right click on your file and click on copy
- chose your location you want to copy and right click there then click on paste .