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Make sure you no longer need the image before erasing it. To prevent important images from being erased accidentally, protect them. Erasing a RAW+JPEG image will erase both the RAW and JPEG images.

Formatting the card on the EOS Rebel T7i

When the card is formatted, all images and data on the card will be erased. Even protected images will be erased, so make sure there is nothing you need to keep. If necessary, transfer the images to a personal computer, etc., before formatting the card.

Find the list of camera lenses compatible with Digital Lens Optimizer and Lens Aberration Correction - Digital Photo Professional

NOTE You can filter the displayed lenses by adding a checkmark to the [Select a lens category] checkbox. Using the Digital Lens Optimizer in Digital Photo Professional Ver.4.x

Troubleshoot reasons that RAW images can't be opened on a computer

Confirming the software version Open the version of Digital Photo Professional installed on the computer. Select Help -> About

The camera is not recognized by the computer (Windows 7) (EOS Utility Ver.3.x)

1. Change the USB port that is connected with the camera If multiple USB ports are available on the computer, switching the cable to another port may help the camera to be recognized correctly. 2. Use [Device Manager]