How do I make a data file of fixed-length records without newlines easier to read?

If each chunk or record of a file is of fixed length but there are no newlines, you can add newlines every n bytes to make them easier to read.

Go to File | Advanced Open…, check Insert newlines at every specified number of bytes, and specify the length of each record in bytes. Click Select Files to Open… and open the file.

If we have a file containing:


and the length of each record is 6 bytes, EmEditor would add newlines after every 6 bytes so that it is opened as