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*If you’d prefer not to upgrade to EndNote X9.3.1, you may keep working on your current macOS. To fix this, you would need to reinstall the EndNote X9 version with the latest update (EndNote X9.3.1). If you have already upgraded to Catalina OS before updating your EndNote program to EndNote X9.3.1, the EndNote app will be disabled in the Applications folder. A Catalina-ready version of EndNote will read “About EndNote X9.3.1” If X9.2 or earlier version of EndNote is listed here, it will not be compatible with Catalina. To check what version of EndNote X9 you have installed, please launch EndNote and then click on the EndNote menu on the top right. Apple has made the decision to drop all 32-bit application support with this release, which will impact EndNote.
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As you may be aware, Apple has released macOS 10.15 Catalina.
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