Information about the .log1 (log1) file type

This is one of two possibilities that we have on file for the .log1 file extension, follow this link to view both possibilities.

Below is all the information we have available on file about the .log1 (log1) file type.

Windows Registry hive log file. The .log1 file is used to record the changes made to one of the Windows Registry hives.

This file (together possibly with a .log2 file) will be found in the folder %SystemRoot%\System32\config. The exception to this is the user data hive ( which is maintained separately for each user in %UserProfile%.

The following link provides further information related to the .log1 file extension:

Where this is available we would like to include file format information on .log1 files, as well as information on how to view or open files of type .log1. If you know of any information which we have missed then please let us know.