While searching for an answer to the question - How to open the ACT! file? - you probably found websites, which offer software that was able to open any file extension. Do not be fooled, there is no one program that will allow you to work with any file extension, including the ACT! file. Each program contains a different type of data and you need specialized software to properly work with the ACT! file. Here is a list of programs that are designed to work with the ACT! file - remember, these applications are able to open at most a few file extensions, they are designed to work with a specific data type.
| File type | ACT! |
| Developer | The Sage Group plc |
| Popularity | |
| Share |
If after installing the program from a list, you still cannot open a file with the ACT! extension, the reason may be that the file is damaged. The solution may be to find a new copy of the ACT! file you want to open
In this case, the easiest way is to use the tool built into the operating system for association of the ACT! file with applications to support it. Double click on the file you cannot open - the operating system will display a list of programs that are likely to work with your ACT! file. Choose one of them, or select the location on a disk where you installed one of the applications from our list. Windows should then open the ACT! file using the program installed earlier.
Entries containing links of the ACT! file extensions with applications is located in the HKEY_CLASSES_ROOT. If you do not know how to get to the Windows Registry, or how to make changes in it, ask a specialist for help. Lack of knowledge on the subject may cause irreversible changes on your computer.
There may be a situation when a computer virus passes itself off as the ACT! file. In this case, such a file will definitely not be opened. Download a good antivirus program and scan the ACT! file mentioned. If the antivirus application detects malicious data, it may signify that the ACT! file is infected.
| ACW | Microsoft Accessibility Wizard Format |
| ACCDC | Microsoft Access 2007/2010 Digitally Signed Database Format |
| ACA | Microsoft Agent Character Format |
| ACAD | AutoCAD Database |
| ACTX | DS Game Maker Action Description Format |
| AC | AC3D Geometry Format |
| ACI | ACI Development Appraisal |
| AC4 | SPICE AC/frequence Domain Output |
| ACCT | IBM AIX System |
| ACC | DR DOS - ViewMax Format |
