All this month, I'm taking some time each day to explore (and document) things that are related to UWP development that I haven't fully investigated or used before. While doing it over lunch each day I'm calling it #UWPLunch.

PublisherCacheFolders

Folder

<Extensions>

<Extension Category="windows.publisherCacheFolders">

<PublisherCacheFolders>

<Folder Name="Config" />

</PublisherCacheFolders>

</Extension>

</Extensions>

StorageFolder configFolder = ApplicationData.Current.GetPublisherCacheFolder("Config");

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This feature has been around as long as Windows 10. I've just never used it.You can define a folder (or folders) in an app that can also be used by other apps from the same publisher and which also know about that folder.Be careful of copying from the docs on this topic as they contain two errors in the sample XML.The element name is(with an 's') and theelements must be closed.Like this:Just add the above to Package.AppxManifest for each project.You can then access this folder from all projects with:Simples. :)