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Steam Old Files is published by Steam. You can find out more about Steam Old Files at its official website or at Steam's website.
Steam Old Files may store excess, temporary data on your computer that can take up valuable space. It may also store private data such as passwords or browsing history in the registry or on the file system. The easiest way to erase this data is by downloading AppCleaner, it is 100% free and about 1MB in size. A portable version is also available.
Clean Steam Old Files
with AppCleaner
If you want to clean Steam Old Files manually, you can follow the steps outlined below. There is one location in the file system where Steam Old Files stores data that can be cleaned.
To clean your file system from files stored by Steam Old Files and to gain free disk space, examine the following file system location. First of all, open a command prompt window:
Now list all the files stored by Steam Old Files that can be cleaned:
Once you have identified the files stored by Steam Old Files that you want to clean, delete them using the del command or Windows Explorer.