How to Convert Multiple BLK Files to RLA?
1. Download and Install reaConverter
reaConverter is a standalone Windows app — download, install, and start converting BLK files in under two minutes.
2. Load your BLK files
Open reaConverter and add your BLK files. You can load individual files, entire folders, or even nested subfolders.
Drop your BLK files into the window or use File menu to browse and select folders.

3. Select RLA as output format
Choose RLA as the target format. Pick a destination folder or let reaConverter save files alongside the originals.

4. Start BLK to RLA conversion
Hit Convert and let reaConverter do the work. The progress window shows status for each file in real time.

After conversion, find your RLA files in the output folder. Click 'Show converted files' to open it directly.






