.CRWL File Extension
File TypeWindows Crawl File
File format categories include Binary, Text, XML, and Zip. The format of this file type has not been determined.
What is a CRWL file?
Log file generated after an indexing process run by Windows Search, Microsoft Exchange, or SharePoint Portal Server; contains data about the files that were "crawled" during the indexing process; typically saved along with a corresponding .GTHR file.