When a file appears to have been updated on more than one PC, OneDrive may be unable to merge both versions. To help prevent the loss of data, OneDrive simply creates a new file with the computer name appended to the end of the file to distinguish which files have been changed and from which computer.
For example, if you have a laptop that isn’t connected to the internet and update the “OneDrive/MyFile.docx” file. Because the laptop isn’t online it cannot sync. But now you (or someone) also ends up updating the “OneDrive/MyFile.docx” file on an internet connected desktop PC. When your laptop goes back online, OneDrive will have a conflict because the file was updated on two different computers at seeming different times. As a result, OneDrive creates the conflict copy: “OneDrive/MyFile-LaptopName.docx“.
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