If you've ever looked through a memory dump and noticed the following registry key getting modified, here's my take on what it's doing.
It appears each time a file or folder is accessed in a Windows operating system, it records it in the RecentDocuments registry (which makes sense based on the name). For example, I opened the following registry key
And was able to read the following values
Which would seem to me to indicate that a word document was recently accessed.
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