Need to find a part number within a PDF, DOC, TEX file? Windows File Explorer has a search feature that will look into your document and find what you need.
Example below I am searching for Freight with in a PDF within a Date of this year.
More search syntax is available at MS website:
https://docs.microsoft.com/en-us/windows/win32/lwef/-search-2x-wds-aqsreference