Emeditor is free txt software for editing bigsize txt files. You can manipulate with big files without any CPU stucks. Power of this tool is to handle 5GB+ txt file a new seconds.
- Download EmEditor
- Install it
- Open LIST with EmEditor and press CTRL+F
- In “Find:” enter you custom keyword, in my case is domain “@hotmail.” and press “Bookmark” button
- Now you have bookmarked all lines with your keyword.
- Go to edit>Bookmarks>Extract Bookmarked Lines to New File
- You are done.