All about CTF Files

The CTF file type is primarily associated with WhereIsIt.

CTF	File extension: CTF
	File type:	catalog file

What is a CTF file?

CTF files mostly belong to WhereIsIt by Robert Galle. A CTF extension is used for a Catalog file that contains database of multimedia collection on computer as well as on CD-ROMs and DVDs, audio CDs, diskettes, removable drives, hard drives, network drives, remote file servers, or any other present or future storage media device that Windows can access as a drive.

Main Usage:This extension is primarily associated with WhereIsIt, a Microsoft Windows based cataloging software. Thus, the main aim of catalog files is to help you maintain and organize your computer media collection available on the system and provide access to the collection even when it is not available on the system.
Associations:

A Content Transformation File also uses the CTF extension. These files are used to transform metadata of a file from one format to the other. They can even transform multiple files with different format into a particular required format.
The CTF extension is also associated with update files of AVG anti-virus and security software. The CTF files contain updated security features and new virus definitions.

How to open a CTF file

You need a suitable software like WhereIsIt to open a CTF file. Without proper software you will receive a Windows message "How do you want to open this file?" or "Windows cannot open this file" or a similar Mac/iPhone/Android alert. If you cannot open your CTF file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a CTF file directly in the browser:. Just drag the file onto this browser window and drop it.

Online CTF File Viewer

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Online File Viewer

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Easily convert CTF files to JPG, PDF, HTML, DOC, ...

You can convert CTF files using our online CTF file viewer (powered by Convert.Guru):

To do so, click the "Choose your .ctf file to view this image" button above.
After your file is opened in browser,
click "Save as..." in the menu.
Then click the file format (e.g. PDF, JPG, DOCX, TXT, ...) you want.
Your file will be converted and downloaded.

Programs that open and convert CTF files:

WhereIsIt by Robert Galle
See the previous paragraphs to learn more about the main application. CTF files are often referred to as WhereIsIt databases because this type of file is primarily created or used by this software.
Arcserve Backup (backup file) by Arcserve
Arcserve Backup is a tape backup software from Arcserve. The CTF file format is used by Arcserve Backup for File System Device (FSD) files. This file format is classified as Backup. Related links: Arcserve on Wikipedia, CTF Files Mentioned in Arcserve Backup Help Article
AVG AntiVirus (update control file) by AVG Technologies
AVG AntiVirus is a series of cross-platform antivirus software by AVG Technologies. The CTF file format is an update control file for AVG AntiVirus. It stores data that is used for downloading new virus definitions and program updates. This file format is classified as Data. Related links: AVG AntiVirus on Wikipedia, AVG AntiVirus FAQs, How to Fix "Invalid Update Control CTF File" Error
CaS (calculator text format file) by Tom Wheely
CaS is a program used to hack programmable calculators developed by Casio The CTF format contains human readable program code for the calculators. This file format is classified as Developer. Related links: CaS Features, CTF Technical Specifications, Information About Hacking Calculators, Program for Converting Between CTF and Other Formats, Casio Product Page for Programmable Calculators
Filematica (content transformation file) by ECMG
Filematica is a content management and migration software from ECMG. The CTF file format is used by Filematica to store transformation information used for converting file metadata into a different format or structure. This file format is classified as Data.
GammaFax (compressed TIFF image file) by GammaLink
GammaFax is the software included with the GammaFax fax boards for personal computers. The CTF file format is used to store TIFF images in a compressed format for GammaFax. This file format is classified as Compressed. Related links: GammaFax on Wikipedia, GammaFax Boards Product Page, News Report on GammaFax Boards
HP-95LX (character translation file) by HP
The CTF file format stores character translation data for the HP-95LX portable computer. The HP-95LX was the first pocket computer from HP that used the MS-DOS operating system. This file format is classified as Data. Related links: HP-95LX on Wikipedia, HP Page About HP-95LX, The HP Palmtop Paper Featuring HP-95LX, Download Link for HP-95LX Guide Mentioning CTF Files
HTML Editor (table design file) by CoffeeCup Software
HTML Editor is a tool for web design and HTML editing for Windows. The CTF file format is used by HTML Editor to save table designs in HTML. This file format is classified as Web (source). Related links: HTML Editor on Wikipedia, CTF Files Mentioned in CoffeeCup Forum
Lotus Symphony (character translation file) by IBM
Lotus Symphony is a discontinued suite of productivity software that included applications for working with text documents, spreadsheets, and presentations, as well as a web browser. The CTF file format is used to store character translation data for Lotus Symphony. This file format is classified as Data. Related links: Lotus Symphony on Wikipedia
PhotoSuite (photo album file) by Roxio
PhotoSuite is a discontinued application that allows users to manage and edit digital photos. The CTF file format is used by a photo album file in PhotoSuite to store information such as thumbnails. This file format is classified as Data.

CTF file extension format:

A file format defines how the data in the file is structured. Often, the file format can be deduced from the file extension or the initial bytes (called the signature). However, different programs can use the same file extension. Furthermore, a file extension can be renamed incorrectly and double-clicking on it will then display an error when it is opened. So a detailed analysis of a file is vital in order to determine the format and the associated program. Below is our analysis of the CTF files:

The CTF file type is a very commonly used file extension and is used by a few programs, each with its own file format. The following file formats are most commonly found in CTF files:

25% of all CTF files are based on the zip format, that is, a CTF file includes multiple compressed files. Such a ZIP file contains 1 to 80 files. Common included file names are [Content_Types].xml, \_rels\.rels, \.META\manifest.xml, \fsroot\, \fsroot\.META\requiredMCRProducts.txt, \fsroot\.matlab\MLintDefaultSettings.txt, \fsroot\.matlab\VisibleSettings.json and \metadata\. A little tip: If you rename the file extension to .zip and then double-click, you will see the included files and images. The file size is in the range of 5 KB to 3 MB. The keywords [Content_Types].xml are typical for these files. A usual file name is MetaFlag.ctf. Such CTF files store data about exon.
10% of all CTF files belong to WhereIsIt? catalog. They consist of illegible, cryptic characters. A typical file size is 5 MB. The keywords Catalog 3.00 and !"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[ are typical for these files. Such files are related to archive.

All the rest of the CTF files (65%) have different formats, frequently e.g. XML, Channel, PTF, ASAMFILE and CTF. Files like these are sometimes linked to ticks, data, site, project, eurusd or album. Just click the "Choose your .ctf file to view this image" button on this page to find out what your CTF file is.

Technical Data for CTF File Extension

File classification:

Database

Related files:

cft, png, datastream, cpr, xml, txt, ctfx, ctg, loose_strings, zip, flag, pcapng, jpg, crc, file, crdownload, gif, cfg, exe, cts

The following listing is compiled from the database produced by the 'Associate This!' program, selected data from the main FILExt database and file extension information submitted by users.

ProgramID: CTFFile
EXEFile: %ProgramFiles%\Cadence Design Systems\LDV\tools\bin\pliwiz.exe %1

ProgramID: PhotoSuite.Catalog
EXEFile: %ProgramFiles%\MGI\PhotoSuite 8.1\PSUITE.EXE %1

ProgramID: PhotoSuite.Catalog
EXEFile: %ProgramFiles%\MGI\PhotoSuite SE\PStarter.exe %1

ProgramID: PhotoSuite.Catalog
EXEFile: %ProgramFiles%\MGI\PHOTOS~1.1\PSUITE.EXE %1

ProgramID: WhereIsIt.CatalogFile
EXEFile: %ProgramFiles%\WHEREI~1\WHEREI~1.EXE %1

ProgramID: XnView.Image
EXEFile: %ProgramFiles%\XnView\xnview.exe %1

ProgramID: PhotoSuite.Catalog
EXEFile: %ProgramFiles%\MGI\PSUITE80\PSUITE.EXE %1

ProgramID: Cimatron Transfer File
EXEFile: %ProgramFiles%\Cimatron\CimatronE\Program\CimZip.exe

ProgramID: WhereIsIt.CatalogFile
EXEFile: %ProgramFiles%\WHEREI~1\WHEREI~1.EXE

ProgramID: PhotoSuite.Catalog
EXEFile: %ProgramFiles%\xerox\Pagis\Psuite80\Psuite.exe

ProgramID: WhereIsIt.CatalogFile
EXEFile: %ProgramFiles%\WHEREI~1\WHEREI~1.EXE

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a ctf catalog file is a special file format by Robert Galle and should only be edited and saved with the appropriate software.

How to solve problems with CTF files

Associate the CTF file extension with the correct application.
Update your software that should actually open catalog files. Because only the current version supports the latest CTF file format. Search, therefore, e.g. on the Robert Galle manufacturer website after an available WhereIsIt update.
To make sure that your CTF file is not corrupted or virus-infected, get the file again and scan it with Google's virustotal.com.
Click here to open your .CTF file online - secure, fast, and no downloads needed.