Are they numbered? If so, select all cells, go to DataGroup and
OutlineUngroup. Choose by Rows, and keep repeating until all gone.

--
HTH

Bob Phillips

(replace somewhere in email address with gmail if mailing direct)

"greg november" <greg wrote in message
...
unknowingly one of my spreadsheets suddenly aquired 8 additional columns
all
to the left of column A, they are grey, inactive, undeleteable,
unedtable,
have no properties, have no help topic associated.
What are they?
How are they removed?
How did they get there?