When we Shift+Del any selected text, either it is saved to be pasted anywhere else or is deleted permanently from M.S. Office?

The text deleted permanently

Permnantly Delete from MS office

to paste anywhere else on documents 

permanently deleted does not enter the recycle bin

permanent deletion of the selected items 

the text is permanently deleted

It is saved to be pasted anywhere else, Also you can do undo in case of accidental deletions.

It is  saved to be pasted anywhere else.

Also, some useful tips:

you can use ctrl Z for undo, in case of accidental deletions.

and if you use google documents,

then you are able to see all the changes made in your written documents from the start.

Which makes working pretty easy.

It is saved to be pasted anywhere else