: Many modern craft beers, especially New England IPAs, are intentionally left unfiltered, leading to "white flakes" or a cloudy appearance.
: These particles are generally safe to consume and often a sign of a "living" beer, though they can be avoided by pouring gently and leaving the last bit in the bottle or can. Brewing.Beer.7z
If "solid piece" refers to actual sediment or floaties you are seeing while brewing or drinking, here is what they typically are: : Many modern craft beers, especially New England
A file is a data container. To look into it, you need to "extract" it using software like 7-Zip or PeaZip : To look into it, you need to "extract"
Are you trying to from that specific archive, or are you troubleshooting a physical sediment issue in a batch you brewed? Sediments in Beer: Should You Sip or Skip?
: Most "floaties" are harmless sediment consisting of leftover yeast or protein-polyphenol complexes (PPC) from the hops and malt.