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File Name Prefix – Specifies the file name of the rendered image and allows adding any prefixes or suffixes to it, including some special keywords. You can add predefined keywords by right-clicking in this field and choosing from the available options. For more information, see the File Name Prefix example below.

Note: New scenes saved with V-Ray will rely on users to specify the render layer keyword <Layer> when saving with an absolute path. If it is not explicitly specified, V-Ray will warn users that files may be overwritten as a result. Older V-Ray scenes rendering with an absolute path will warn users that they use a deprecated method of handling render layers where new folders are implicitly created for each render layer. To remove this warning, run the command vrayUpgradeToExplicitLayerToken(). This will update the file to the current method of handling render layers and automatically add the _<Layer> keyword to the file name.

Version label – Entered text will be used to replace the <Version> keyword in the File Name Prefix field.

Image Format – Specifies the file format in which the image(s) will be saved.

Don't save image (ignored in batch mode) – When enabled, the final image will not be saved automatically.

Output alpha channel to a separate file – When enabled, the alpha channel of the rendered image will be saved to a separate file.  

Don't save Alpha channel – When enabled, the Alpha channels will not be saved (ignored with multichannel exr and vrimg).

Don't save RGB channel – When enabled, the RGB channels will not be saved (ignored with multichannel exr and vrimg).

Save VFB color corrections to render elements - when enabled, allows the application of color corrections on auto-saved exports (vray/maya batch/std). Note that this option does not apply the color correction to the export when saving manually. To do so, another option can be used in the VFB > File > Save VFB color corrections to render elements. Visit the V-Ray Frame Buffer page for more information.

Resumable rendering – If there is a resumable file existing for the current frame, the rendering will be resumed from it. Otherwise a new render will be started and resumable files will be saved. If the rendering is already complete, the frame will be skipped and the next one (if any) will be started. For more information on resumable rendering, see the Continue a render with Resumable Rendering tutorial.

Note: Resumable information is stored in additional .vrimg or .vrprog files if the output file location has not changed. Resuming a render with bucket sampling will use and create additional .vrimg files. Resuming a render with progressive sampling will use and create separate .vrprog (progressive resumable) files. For instance, if resumable rendering is enabled when rendering to a PNG file format using the progressive sampler, resumable information will be saved as a .vrprog file along with the output PNG.

Autosave interval (min) – Specifies an interval in minutes for saving resumable files during rendering. This parameter applies only to  Progressive sampling. A value of 0 disables autosaving during rendering and resumable files will be saved only at the end of the rendering.

Delete resumable file on success – When enabled, deletes the resumable file (either .vrimg or .vrprog) upon completion of the render.

Always write frame number – When enabled, writes the frame number of each output file, even if a single frame is rendered.

For more information, see Image Format Options.

Baking engine – Selects the baking engine type.

None – No additional exporting will happen during render times. 
Texture Baking – A texture will be baked for the selected object. 
Bake to vertex color set – Bakes a vertex color set.
Ptex Baking – A .ptex file will be baked for the selected object(s).

U min /V min/U max/V max – Specifies a custom layout to which the texture will be baked.

Bake channel – Determines the channel to bake. 

Edge padding (dilation) – The number of pixels to expand around geometry. 

Shoot rays from camera – When enabled, the baking engine will use rays whose direction originates from the camera. As a result, the object will be baked as seen by the camera.

Color set name – When Bake to vertex color set is selected, this specifies the name of the vertex color set.

Bake RGB color – Bakes the RGB information to the map.

Bake alpha – Bakes the Alpha information to the map.

Ptex baking options – Opens the options dialog for Ptex baking.

For more details, see Ptex Baking Options.

Convert image to sRBG for RenderView – When enabled, V-Ray will automatically convert the image to the sRGB color space in the Maya Render View window.

Clear Frame Buffers – Clears the V-Ray VFB and Maya Render View render buffers before rendering.

Use V-Ray VFB – When enabled, V-Ray will render the image in the V-Ray VFB.

Memory frame buffer – When the image is saved as either .vrimg or multichannel .exr the information is written bucket by bucket directly on the hard drive. This specifies how V-Ray will utilize the Virtual Frame Buffer in order to optimize memory usage.

None – – V-Ray doesn't display the image in the VFB in order to minimize memory usage.
Full – – The full image is displayed - no memory optimization.
Preview – – A lower resolution version of the rendered output is shown in the VFB to minimize memory usage.

Hide Render View – When enabled, the default Maya render view will not be displayed.

Hide V-Ray VFB in batch mode – – Disables the Virtual frame buffer in batch rendering mode. Currently, the V-Ray VFB is always hidden in batch rendering mode.

Disable region for batch and Chaos Cloud – Disables the region rendering in batch rendering mode and for Chaos Cloud.

Sync VFB and Maya Color Management – When enabled, it synchronizes the OCIO settings between VFB Display Correction and Maya Color Management Preferences.

Show V-Ray VFB – Opens the V-Ray VFB window.

Reset V-Ray VFB – Resets the VFB settings and position.