Hi again,
I have sheets called back1 thru to back35. In all the sheets Cell I2
and Cell J2 must have a start time and end time entered before a user
exits the sheet ie: 0700 1526.

Now this is easily forgotten and I would like to popup a window or
form if they try to exit the sheet without putting those times in,
which reminds them to enter the times.

Is it possible???

Help appreciated.
Stephen