Using TTS fields to retrieve SLA metrics
Time to SLA app has several custom fields which you can export in issue navigator. However, Time to SLA fields have many valuable data other than what you see in issue navigator. You can use SLA Dates Custom Field to grab these data individually, sort them in the issue navigator, and export to Excel.
Full-blown Excel Reports with hassle-free Time to SLA integration
Looking more than standard Excel export in Jira? Than have a look at Better Excel Exporter for Jira which is tightly integrated with Time to SLA, allowing you to export all Time to SLA custom fields into Excel in a highly customizable way.
Using the powerful features of Better Excel Exporter app on Time to SLA data, you can easily create marvelous SLA reports.
A sample Excel export with SLA metrics generated by Better Excel Exporter app
You can export the Time to SLA specific custom field types like Time to SLA, Overdue Status, SLA Indicator, SLA Overview, TTS - Time String and TTS - SLA Dates to Excel. Better Excel Exporter app will automatically recognize the Time to SLA managed fields and export them accordingly.
You can find more info about Better Excel Exporter for Jira and Time to SLA integration here.
See a quick demo of Time to SLA integration of Better Excel Exporter app