SMS Export for iPhone - Backup SMS to Excel file using SMS Export Plus Posted 8/14/2014 at 4:25 UTC in iPhone by email@example.com | Permalink | Tweet mTouchLabs has announced SMS Export Plus 1.5, their productivity app exclusively for iPhone and iPod touch. SMS Export Plus allows you to backup iMessages and SMS from your device to a Mac in .xls format. Using SMS Export Plus, you can archive and maintain records of all your messages at a single location in Excel file. Browse all backup messages in the .xls file very easily. You can filter messages by sender or sort messages by time and date.