why so many backup files
My question is why does the Acronis back up to 3 folders that seem to have the same content but are different sizes. My image START shows my Acronis settings. Image DAILY shows the backup folder and the other 3 images show the contents.I assume that a7-00 is probably an index file.


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Further to Bruno's comments.
Your images show correct / normal operation for a Daily backup task with a large number of incremental backups configured prior to creating a new full backup image.
Your backup task has been running since January 2022 and the file listing shows you are on the 29th iteration of the backup version chain (-0029.tibx).
All the files within that version chain will automatically show exactly the same content, even the 12kb metadata file (with no numeric suffix) that started the chain.
See the following KB documents published by Acronis with regards to .tibx files.
KB 63518: Acronis True Image 2020: do not delete first tibx file
KB 63227: Acronis True Image: Do not delete .TIB or .TIBX files outside of Acronis True Image
KB 63498: Acronis True Image 2020-2021: new tibx backup format FAQ
KB 63425: Acronis True Image: Limitations of tibx backups
KB 63445: Acronis True Image 2020: how to view and manage backup versions in new backup format
KB 63444: Acronis True Image 2020 and 2021: tibx backups in local destinations
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