[dmwood]

Funny how often the word recollect has come up here, without mentioning the fantastic tool recoll, updated frequently and available for many operating systems. I use it on macOS for an immense library of scientific and other documents. I think there's a standalone installer, and it's also available via macports. It may be found at

https://www.lesbonscomptes.com/recoll/pages/index-recoll.htm...

It allows me to index and find words and phrases in files of many types AND view their contents independently of external readers, or using system readers, including text, PDF, or word processing files of common sorts.