Why do you say apparently? You don't seem to be to sure! Why do you say you think you removed it?
If Office is definitely removed then you will need the original disks to reinstall it. Unless you have a full system backup (from when Office was working) in which case you could restore your whole PC.
If Office is definitely removed then you will need the original disks to reinstall it. Unless you have a full system backup (from when Office was working) in which case you could restore your whole PC.