Hi @Hill, Mary A,
Currently, .aspx files are not supported as a file type that can be exposed in a learning path in Viva Learning. It is unclear if they will be added to the list of supported file types in the future.
We recommend you raise a new thread in this feedback community: https://feedbackportal.microsoft.com/feedback/forum/df52503a-1e1c-ec11-b6e7-0022481f8472. Viva product team actively monitors threads there and will take valuable idea into consideration.
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