How to open API file extension?

The author of advice: Mr Brankiewicz

API files are incessantly popular. However, a file name containing API file extension is problematic for some of the users. They have problems with correct opening of a file with API extension. However, it should be remembered that API file extension can match one or more types of files. The most popular is Adobe Acrobat Plugin Format but if there are others, you will find information concerning them below.

So, it is worth looking close at the problem concerning API files and search for its solution.

A list of programs supporting files types with API extension can be found below. Applications are sorted according to appropriate operational systems and their popularity.

  • Adobe Acrobat Plugin Format

    .api file extension

    Category: Various Files

    OS Software
    Windows Adobe Acrobat X Pro Adobe Acrobat X Pro
    Adobe Reader Adobe Reader
    MAC OS Adobe Acrobat X Pro Adobe Acrobat X Pro
    Adobe Reader Adobe Reader
  • Adobe Acrobat Plugin Format

    .api file extension

    Category: Configuration Files

    OS Software
    Windows Adobe Photoshop CS5 Adobe Photoshop CS5
    MAC OS Adobe Photoshop CS5 Adobe Photoshop CS5

How to check if a file we want to open is not infected by malware or viruses?

  • Download Malware/viruses removal tool from API files in the Windows system.
  • Click “Start scanning” and wait until the programme performs the scanning process on your computer.

What are the reasons of errors concerning API extension of files?

The problem that often causes damage concerning API extension are Windows system registry errors. That is why, in the first place it is recommended to:

  • Scan computer in order to identify, repair and open the API file
  • Check system registry from the angle of hidden errors
  • Repair file’s associations with programs in the system registry

If you are not sure if the above problems concern you, you should consider other frequent irregularities:

  • You do not have an appropriate application installed that supports API file extension
  • API file is corrupted
  • The application’s version necessary to open the file is not correct
  • The file is not assigned to an appropriate program

Solving problems with API files


If API file does not open, firstly, it is worth using files associations built in the Windows system with application that can support them. In order to do it, you should double-click a API file icon. A list of programs that probably support such a file will appear. It is enough to choose one of them so that Windows would open a given extension with it. Incorrect file’s association will result in Windows trying to open API file with a wrong program all the time even if there is an appropriate application supporting this format on a drive. In this case, it is necessary to perform the above mentioned registry scanning and associations’ repair.

If associations are correct and Windows still cannot open the file, most probably the computer does not have appropriate software supporting files with name containing API in their extension. The solution to this problem is very simple. You should buy or download a free (if they exist) application that will allow you to open, browse and edit API format (You can also try to find more informations on FileInfo). It is no risk because many paid programs have free test versions enabling to check their functionality.

Do you have extra information about a API file? [ Add information about a API file ]

5 564

of file extensions

8 858

of file types

5 504

of applications opening the files

1 661

of producers