Files with the ERSX extension are Eraser Task List files. The Eraser software overwrites deleted files to make them unrecoverable. This helps securely delete sensitive data like passwords. ERSX files store scheduled deletion tasks for Eraser. They use a binary format not readable by humans.
By default, Eraser saves ERSX files to the Eraser folder in the user’s AppData directory in Windows. The ERSX file type works only on Windows devices. Eraser, created by The Eraser Project, is the main program that supports it.
Windows recognizes the ERSX extension and associates it with Eraser. To open an ERSX file, double-click it and Windows launches Eraser. If this does not work, your Eraser software needs updating to the latest version supporting ERSX files. Alternatively, Windows has lost the association between ERSX and Eraser.
You may view ERSX file contents using a text editor like Notepad, but they use an XML format. It’s unlikely the data will be meaningful. ERSX files fall under the Windows Data Files category, which has over 1,300 related formats.