Quit Adobe InCopy CC 2019.
Issue
When you try to open a package (.icap) file in InCopy CC 2019, you get the following error message:
An error occurred opening the package file.
Solution
Windows
Download CopyPlugin_Win.zip and extract its content to desktop.
Find and double-click CopyPlugin.vbs from the extracted folder.
Browse and select Adobe InCopy CC 2019 application folder.
Click OK.
The plug-in is installed and you get the message once InCopy is successfully updated. Click OK.
Launch InCopy CC 2019 and open the package (.icap) file.
macOS
Quit Adobe InCopy CC 2019.
Download CopyPlugin_MAC.zip and extract its content to desktop.
Find and double-click CopyPlugin_MAC.app from the extracted folder.
Browse and select Adobe InCopy CC 2019.app.
Click Choose.
The plug-in is installed and you get the message once InCopy is successfully updated. Click OK.
Launch InCopy CC 2019 and open the package (.icap) file.
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