How to install the SMT add-in for MS Excel running the latest versions of ProcessBook, DataLink and BatchView?
I think the last version of SMT that contained the legacy excel add-in is 2015 R2: https://techsupport.osisoft.com/Downloads/File/0ac09224-f97d-4017-8a17-e1e187c20649
Why not use the newer Excel add-in PI Builder that's ship with the AF Client?
Maybe I did not understand well, but installation instructions are here (page 13)...
PI System Management Tools 2017 R2 Release Notes
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