What do you mean when you say it doesn't work? Did you follow Ray's instructions and use this formula? =SUM(source1:source50!F8) If that doesn't work, tell us what you mean when you say it doesn't work. What happens? Do you get an error message? Do you get the wrong answer? What "doesn't work"? Linda Linda's Computer Stop http://personal-computer-tutor.com ABC Free Ezine ~ Free Ebooks and Tutorials *all outgoing mail scanned by Norton AV. If you got a bug that looks like it came from me, it did NOT! -----Original Message----- From: mso-bounce@xxxxxxxxxxxxx [mailto:mso-bounce@xxxxxxxxxxxxx] On Behalf Of cb Sent: Tuesday, November 09, 2004 11:47 AM To: mso@xxxxxxxxxxxxx Subject: [mso] Re: Excell That seems not to work for some reason I have the following scenario Work.xls top.sheet F8 want to SUM source1!f8:source2!f8 ... source50!f8 want the sum of all 50 sheets in the same cell as the calling sheet... found one way, but it is very cumbersome, and lots of keying .... CB Ray Blake wrote: >If you have - say - 6 sheets called London, Bristol, Bath, Norwich, >Derby and Leeds, then you can sum cell B20 on each using this formula: > > =SUM(London:Leeds!B20) > >For other options, look up 'data consolidation' in Excel help. > >Ray ************************************************************* 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 *************************************************************