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You Cannot Create a Folder Named CON !!!

You Cannot Create a Folder Named CON !!!

It is fact that you cannot create a folder named "CON", nor can you rename an existing folder to "CON". "CON" and a number of other character strings are in fact reserved names that go back to the days of DOS and cannot be used to name folders or files.

reserved names are:




* LPT1

* COM1

* Potential drive letter - A: to Z:

* A number of others

If you try to name a folder using one of these reserved names, the name will automatically revert to the default, generally "New Folder". Moreover, if you try to use a reserved name to name a file such as a Notepad or Microsoft Word document you will generally receive an error message similar to the following:

Depending on exactly how you save the file, you may instead receive a warning message advising that a file with that name already exists. However, even if you choose "Yes" to overwrite the existing file, you will still not be allowed to save the file.