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/Fo (Object File Name)


This option specifies an object (.obj) file name or directory to be used instead of the default. If you do not use this option, the object file uses the base name of the source file and the .obj extension. You can use any name and extension you want, but the recommended convention is to use .obj.

To set this compiler option in the Visual Studio development environment

  1. Open the project's Property Pages dialog box. For details, see Setting Visual C++ Project Properties.
  2. Click the C/C++ folder.
  3. Click the Output Files property page.
  4. Modify the Object File Name property.

To set this compiler option programmatically

See ObjectFile Property.


The following command line creates an object file named THIS.obj in an existing directory, \OBJECT, on drive B.


See Also

Output-File (/F) Options | Compiler Options | Setting Compiler Options | Specifying the Pathname