To change textures, open TXD Tool and load the desired TXD file. Select the texture you want to modify, then click on 'Import' to upload your new texture file. Finally, save the changes and rebuild the TXD.

TXD Tool primarily supports BMP and PNG file formats for importing textures. Make sure your texture files are in one of these formats to ensure compatibility with the tool.

Backing up is simple. Locate the original TXD files in your game directory, copy them to a separate folder, and label them as backups. This way, you can restore them if needed.

Yes, you can create custom textures for vehicles in TXD Tool. First, design your texture using an image editor, then import it into the appropriate vehicle TXD file using the tool's interface. Follow the instructions to replace the old texture.

To replace a texture, follow these steps: 1. Open TXD Tool and load the target TXD file. 2. Select the texture you wish to replace. 3. Click 'Import' to bring in your new texture. 4. Save the TXD file to apply changes. Make sure your new texture has the right dimensions and format.