Robert I hope that this helps. For Excel2003 MS says "Sheets in a workbook Limited by available memory " see http://office.microsoft.com/en-us/assistance/HP051992911033.aspx Dave Robert Carneal wrote: >Is there a way to determine ahead of time the maximum of worksheets allowed >in one workbook ahead of time? This project I have begin is starting to look >like it will involve 86 or 87 sheets. Will Excel go that high? > >Thank you. > >Robert > >************************************************************* >You are receiving this mail because you subscribed to mso@xxxxxxxxxxxxx or >MicrosoftOffice@xxxxxxxxxxxxxxxx > >To send mail to the group, simply address it to mso@xxxxxxxxxxxxx > >To Unsubscribe from this group, send an email to >mso-request@xxxxxxxxxxxxx with the word "unsubscribe" (without the quotes) in >the subject line. > >Or, visit the group's homepage and use the dropdown menu. This will also >allow you to change your email settings to digest or vacation (no mail). >//www.freelists.org/webpage/mso > >To be able to use the files section for sharing files with the group, send a >request to mso-moderators@xxxxxxxxxxxxx and you will be sent an invitation >with instructions. Once you are a member of the files group, you can go here >to upload/download files: >http://www.smartgroups.com/vault/msofiles >************************************************************* > > > ************************************************************* You are receiving this mail because you subscribed to mso@xxxxxxxxxxxxx or MicrosoftOffice@xxxxxxxxxxxxxxxx To send mail to the group, simply address it to mso@xxxxxxxxxxxxx To Unsubscribe from this group, send an email to mso-request@xxxxxxxxxxxxx with the word "unsubscribe" (without the quotes) in the subject line. Or, visit the group's homepage and use the dropdown menu. This will also allow you to change your email settings to digest or vacation (no mail). //www.freelists.org/webpage/mso To be able to use the files section for sharing files with the group, send a request to mso-moderators@xxxxxxxxxxxxx and you will be sent an invitation with instructions. Once you are a member of the files group, you can go here to upload/download files: http://www.smartgroups.com/vault/msofiles *************************************************************