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Basic information about ACK file

When there is a problem with opening files with the file extension ACK（*.ACK or *.ack）, you do not need a computer expert. In most cases, using the helpful suggestions of experts contained in our website as well as appropriate programs, you can solve the problem with the ACK file yourself.

There are 1 file types using the ACK file extension in our database. In the further part of this page, you will find detail information about all the ACK file with their brief description and a list of programs that support ACK file sorted by operating systems. The table below provides useful information about the ACK file extension. It answers questions such as:
  • What is the ACK file?
  • How to open a ACK file?
  • What programs do I need to open a ACK file?
  • What programs help to create and edit a ACK file?
  • How to convert ACK files to another file format?
  • How to convert another files to ACK file format?


1.Detail information about ACK file extension: Swifty

File type Swifty Category Misc Files
Developer N/A File format N/A
Description ACK file is a Swifty. Full format name of files that use ACK extension is Swifty. ACK file format is compatible with software that can be installed on Windows system platform. Files with ACK extension are categorized as Various Files files. The Various Files subset comprises 3591 various file formats. Adobe Flash is by far the most used program for working with ACK files. Adobe Flash software was developed by Adobe Systems Incorporated, and on its official website you may find more information about ACK files or the Adobe Flash software program.
Software programs that will open, edit or convert ACK files

Windows		 Adobe Flash



Can't open a ACK file?

When you click a file to open it, operating system examines the filename extension. If operating system recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When operating system does not recognize a filename extension, you receive the following message:

”Can't open this file: example.ACK”。

To open this file, you install one of the applications from the list of software programs that you found here, you should be able to open, edit or convert the file with the ACK extension without any issue.


Where I can download the application that support ACK file?

If you do not know where you can download the application from our list, click on the link (which is the name of the program), you will find more information there on the location where to download the required application. Most often they are the websites of software manufacturers.


How to change file associations?

  • Right-click a file with the extension whose association you want to change, and then click "Open With".
  • In the "Open With" dialog box, click the program whith which you want the file to open, or click "Browse" to locate the program that you want.
  • Select the ”Always use the selected program to open this kind of file” check box.


Can I change the extension of ACK files?

Changing the filename extension of a file is not a good idea. When you change a file's extension, you change the way programs on your computer read/open the file. The problem is, changing the file extension does not change the file format. Select a software program from our list and install it on your computer. If the file has not opened correctly, you have to look for a different software program from our list. Sometimes you have to repeat the operation several times.


What else may cause problems width open a ACK file?

The reasons for the lack of the ability to open a ACK file on your computer may be at least several. The easiest thing is to find a suitable application installed on your computer, which will open a ACK file. If there is still something wrong, you might want to check:

  • Whether the ACK file is damaged.
  • Whether the ACK file is incorrectly linked in the registry entries.
  • Whether the ACK file extension has been accidentally removed from the Windows registry.
  • Whether the installation of an application that supports the ACK file format is incompletely.
  • Whether the ACK file is infected.
  • Whether the drivers of the equipment used for opening a ACK file are up to date.
  • Whether your computer has enough hardware resources to open a ACK file.

If the ACK file still not working with your software after eliminating the above shortcomings? That means that the problem is more complex and requires the help of a specialist.