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Outlook 2003 TC/CC/BC 255 Character Limitation

A client has switched to Outlook 2003 from GroupWise 6.5. I developed a Powerbuilder application that pulls address from sublists and populates the to/cc/bc fields. With GroupWise I used the API. With Outlook, I'm simply calling the outlook.exe and using command line options to populate the fields. Which appears to work fine. If I have 600 addresses, they all appear in the To/CC/BC as directed by my application. If the user adds the subject, body, etc, they all go out.

If the user clicks the TO CC or BC button to bring up the address book in Outlook, the addresses appear in the proper boxes, but once the user presses OK to return to the message they are composing, the fields are reduced to just the first 254 characters. If you click on the TO CC or BC buttons to get back to the Outlook address book, they are gone.

This also happens if the user uses the paste feature in WIndows to paste the addresses from another application. They are all there until the go into the Outlook address book.

Any ideas on how to avoid this problem. I installed SP1 for Office, and the problem continues.

Regards,
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josephbarron
Asked:
josephbarron
1 Solution
 
josephbarronAuthor Commented:
As it turns out, GroupWise accepts ',' commas between email addresses. Outlook uses a ';' sima-colan between addresses. If you use commas, Outlook treats them as seperate emails, in one place, but as one big email in others. There is a limit of 255 characters for an email address, so outlook truncated what it confused as a single address.

Placing ; between addresses fixed the problem.
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moduloCommented:
PAQed with points refunded (400)

modulo
Community Support Moderator
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