When it comes to editing the text files, they may contain some information which should not be lost. But most the text files does not have the feature of auto save including the default notepad editor which is in built in windows.
Now, you can easily solve this problem by using a freeware utility called AutoSaver which helps you save the text file you are editing in any text editor in windows. So, this way you don’t need to manually press Ctrl+S to save the file.
As you can see in the image above, you can specify the time interval as 5 minute, 1 minute, 30 seconds or 15 seconds. Your changes in text files will not be lost if you use this utility. This application is portable in nature and runs on all versions on windows including windows 7 , we have just tested this tool in windows 7 32 bit Ultimate Edition.