In addition, Connexion and CatExpress also have the functionality to delete specified MARC fields before export automatically.
Open the Connexion Client from the Tools menu, choose Options. Click on the Export tab. Next, choose Field Export Options. Enter the MARC fields you do NOT want to export. Separate individual fields with a comma or enter a range. (e.g.: 263, 262-263).
Click OK, and on the main export window, click on Apply.
Record Manager
Click on the Metadata button, open the Record Manager tab and click on User Preferences.
Expand the Exporting - Bibliographic Records accordion. On the General tab enter the MARC fields to excluding during export in the Exclude Matching Field(s) section.
Click Save.
CatExpress
Log in to CatExpress and click over to the General tab. From the Admin Options dropdown menu, choose Preferences. Next, choose Export Options and enter MARC fields to delete before exporting into the Bibliographic Records field. Separate individual fields with a comma or enter a range. (e.g.: 263, 262-263).
Lastly, click on the Save My Default button to save the option.