What is an arh file and how do I open an arh file?
The ARH extension is used as an output file format of the ProTool software, and files appended with the .arh extension are also classified as compressed data files. ARH files created with ProTool is integrated with file compression specifications which can significantly reduce the size of project output files developed using ProTool, which are appended with the .pdb extension. Siemens developed the ProTool software as an application for configuring the settings of specific machine processes. This application can also be used to track and monitor elements included in these machine processes. The data of these compressed files in the .arh format includes these configuration and tracking settings, and this data is accessed by the ProTool software whenever a user opens and edits the compressed file with this application. The ProTool application can be installed by users of Microsoft Windows-based systems, to access the features available in this software and to start creating PDB projects that can also be compressed in the ARH format using the ProTool program.
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How to open arh file on Microsoft.com