Do manually delete the small 12KB .tibx file often found alongside your main backup. This metadata file is essential for the software to recognize the backup chain; deleting it will make the entire archive unrecoverable. Acronis Forum
Converting files to the older .tib format is generally not supported or recommended by Acronis, as .tibx is the modern, more resilient standard introduced with Acronis True Image 2020 . There is no direct "one-click" tool for this conversion. Understanding the Formats convert tibx to tib upd
– In Acronis Cyber Protect Home Office 2023+, always select "Unified Protection Data" as your default. Do manually delete the small 12KB