I had difficulty opening a file which I got from a client.
It gave me an error message that read:
Cannot open “XX”. Please upgrade your plug-ins to their latest versions, or upgrade to the latest version of Adobe InDesign.
Adobe Extention Manager CS5.5 shows these all greyed and locked:
PNG Import filter.InDesignPlugin
Generic Page Item.InDesignPlugin
Does anyone know what to do?
The file you are tryihng to open was saved in a newer version. You'll need a .idml version of it.
Please make sure InDesign CS5.5 is fully patched and then try to open it
again. You should get a different alert if the file was created in a