How to open CTF files

Did your computer fail to open a CTF file? We explain what CTF files are and recommend software that we know can open or convert your files.

What is a CTF file?

CTF files are WhereIsIt? catalog file files, which you can read more about below.

The CTF file extension indicates to your device which app can open the file. However, different apps may use the same file extension for different types of data. So a CTF opener may not be able to open all kinds of CTF files. In this case, though, we only know of one specific use.

WhereIsIt? catalog file

Through our analysis of CTF files, we know that one use of the format is WhereIsIt? catalog file. We have not yet described in detail what these files contain and what they are used for, but our team is working tiredlessly through thousands of file formats. We'd love hearing from you if you have information about the format.

We have not verified any programs yet that works with this specific format. If you know any, please use the 'Suggest a program' link below. Thanks!

CTF file openers, viewers, etc.

These apps are known to open certain types of CTF files. Remember, different programs may use CTF files for different purposes, so you may need to try out a few of them to be able to open your specific file.

PhotoSuite Starter EditionPhotoSuite Starter EditionUser submitted
PhotoSuitePhotoSuiteUser submitted
SolidWorks Enterprise PDMSolidWorks Enterprise PDMUser submitted
TrevTrevUser submitted
SnapGene ViewerSnapGene ViewerUser submitted
WhereIsItWhereIsItUser submitted
PhotoSuite LEPhotoSuite LEUser submitted
PhotoWorksPhotoWorksUser submitted
SnapGeneSnapGeneUser submitted
TrustySignTrustySignUser submitted
We have not verified any programs that we know for certain can work with CTF-files on Mac. If you know one, please use the Suggest link below and tell us about it!
We have not verified any online services that we know for certain can work with CTF-files. If you know one, please use the Suggest link below and tell us about it!