What is the CTAB File Extension?

Author:   |   Last Updated: May 30, 2023

Microsoft Silver

CTAB File Summary

Zero known software programs (notably, CACTVS Chemical Table Format developed by Unknown Developer) are related to the CTAB file extension. In addition, they are categorized under zero distinct file types, but mainly identified as the CACTVS Chemical Table Format format.

They are supported on both desktop and mobile devices. With a Popularity Rating of "High", these files are very common to your average computer user.

If you would like to learn more about CTAB files and the software that opens them, please see the additional detailed information below. Also, you can learn how to do some basic CTAB file troubleshooting if you are having trouble opening these files.

High
File Type Popularity
11690
File Rank

/ 11690

Active

File Status

30

May

2023

Page Last Updated

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Types of CTAB Files


Primary CTAB File Association

.CTAB
File Format:.ctab
File Type:CACTVS Chemical Table Format

Created by: Unknown Developer
File Category:Uncommon Files
Registry Key: HKEY_CLASSES_ROOT\.ctab

Software Programs That Open The CACTVS Chemical Table Format:


CACTVS Chemical Table Format by Unknown Developer

Windows

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CTAB File Popularity


Top Web Browsers

Chrome (58.80%)
Firefox (11.05%)
Internet Explorer (9.04%)
Edge (8.46%)
Safari (3.87%)


Troubleshooting Problems Opening CTAB Files


Common Problems Opening CTAB Files

CACTVS Chemical Table Format is Not Installed

When you double-click your CTAB file, you may see a dialog box from your operating system stating that it "Cannot Open This File Type". If this is the case, it's usually due to the fact that you do not have CACTVS Chemical Table Format for %%os%% installed on your computer. Because your operating system doesn't know what to do with this file, you won't be able to open it by double-clicking.


Tip: If you know of another program that can open your CTAB file, you can try opening it by selecting the application from the programs listed.


Wrong Version of CACTVS Chemical Table Format is Installed

In some cases, you might have a newer (or older) version of a CACTVS Chemical Table Format file that is unsupported by your installed application version. If you do not have the proper version CACTVS Chemical Table Format (or any of the other programs listed above), you may need to try downloading a different version of it, or one of the other software applications listed above. This problem is most common when you have an older version of the software application, and your file was created by a newer version that it cannot recognize.


Tip: Sometimes you can get a clue about the version of CTAB file you have by right clicking on the file, then clicking on "Properties" (Windows) or "Get Info" (Mac OSX).


Summary: In either case, the majority of problems opening CTAB files are related to not having the correct software application installed on your computer.


Other Causes of CTAB File Opening Problems

Although you might already have CACTVS Chemical Table Format or another CTAB-associated software installed on your computer, you can still encounter problems opening CACTVS Chemical Table Format files. If you are still having problems opening CTAB files, there may be other issues that are preventing you from opening these files. These other problems include (listed in order from most to least common):

  • Invalid CTAB file references in the Windows Registry (the "phonebook" of the Windows Operating System)
  • Accidental deletion of the description of the CTAB file in the Windows registry
  • Incomplete or bad installation of a software application associated with the CTAB format
  • Your CTAB file is corrupted (issues with your CACTVS Chemical Table Format file itself)
  • Your CTAB is infected with malware
  • Device drivers of the hardware associated with your CTAB file are corrupt or out-of-date
  • Your computer does not have the adequate system resources to open the CACTVS Chemical Table Format format

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