It could be a plain text output from a specific piece of software or a sensor log.
Typically, a file named like this refers to one of the following: 824K.txt
Does the "824K" actually correspond to the file size (roughly 824 Kilobytes)? It could be a plain text output from
The filename might be a hint itself, where "824K" refers to a specific memory address or an encoding key. How to Analyze the File Yourself: 824K.txt