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New Contributor
Posts: 1
Registered: ‎03-06-2014

CTG file

what is a ctg file...and how do I retireve my photos from this file from my Powershot sx150?  it.looks like this "M0105.ctg"

Reputable Contributor
Posts: 842
Registered: ‎03-06-2013

Re: CTG file

[ Edited ]

"Catalog index file created on Canon digital cameras; stored in the CANONMSC folder and corresponds to other folders saved on the memory card; i.e. "382.CTG" contains information about images in the folder "382CANON."

CTG files contain information about the number of images stored in each folder on the memory card (typically up to 99). They should not be manually opened or edited by the user. The camera will automatically delete the CTG files when the corresponding images are erased.

CTG files are much smaller than .JPG files and do not contain any image data. Therefore they cannot be converted to JPEG files."

Here is the source: http://www.fileinfo.com/extension/ctg

 

 

You looked for your images in the wrong folder that's why you see strange file.

 

On Canon image files are located under:

 

DCIM

xxxCANON

 

or

 

\DCIM
    \xxxEOS1D
    \xxxCANON
        \***YYYY.JPG

    \CANONMISC
        (DCIM control metadata)
\MISC
 
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Reputable Contributor
Posts: 892
Registered: ‎03-01-2014

Re: CTG file

Files that contain the .ctg file extension are Catalog index files. These files are created by certain Canon digital cameras. When a Canon digital camera takes a photograph, it stores the photo in a folder on the camera's memory card. 

The CTG file stores information about the number of pictures that are stored in each folder located on the camera's memory card. These files allow your computer to index the files and populate them to your computer. The CTG file does not contain any actual image data, rather it just contains an index of the data contained in the folder.

 

You should have another file/folder that is what you'd expect like jpg, png, raw etc. those are the pictures.

New Contributor
Posts: 2
Registered: ‎05-04-2014

Re: CTG file

My SX260 hs only saved a folder full of CTG files. There is nothing else alongside it. The reason seems to be that the chip is almost full, and it only saved the index, not any actual photos. Unless anyone knows differently?
Reputable Contributor
Posts: 892
Registered: ‎03-01-2014

Re: CTG file

And you cant playback the images on your camera either?

When you say the chip is full do you mean the SD card?  Either way it should have stored the images up to when it was to full or to full.

If there is no DCIM file then you lost the images somehow.

Id reset the camera and reformat the SD card in the camera before attempting anymore shots.

New Contributor
Posts: 2
Registered: ‎05-04-2014

Re: CTG file

Hi - yes - I went through all these suggestions on this link before posting my note - I've already looked through all the folders on the memory chip - and there's nothing relating to these pics. I suspect there just wasn't enough room to actually save the photos - just for the index. But thanks.
New Contributor
Posts: 1
Registered: ‎05-16-2017

Re: CTG file

HI i want to convert my files CTG to JPEG. please

Respected Contributor
Posts: 1,981
Registered: ‎02-17-2016

Re: CTG file

You didn't read the thread, did you. CTG's are catalog/index files, they do not contain picture info.

New Contributor
Posts: 1
Registered: ‎06-09-2017

Re: CTG file

Did you ever find a solution to this Trevor? My CanonSX60 is doing the same thing. It's happening when there's lots of space on my SD card too, not saving photo's only CTG files...

New Contributor
Posts: 1
Registered: ‎10-24-2017

Re: CTG file

Hi! I want to convert my cog files to jpg files,how to do this?

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