CMAC file format description
Many people share .cmac files without attaching instructions on how to use it. Yet it isn’t evident for everyone which program a .cmac file can be edited, converted or printed with. On this page, we try to provide assistance for handling .cmac files.
1 filename extension(s) found in our database.
.cmac - CICS CMAC Messages Data Set
The CMAC data files are related to IBM CICS Transaction Server. CMAC file is a CICS CMAC Messages Data Set. IBM CICS Transaction Server is a managing environment for hosting high-volume, highly efficient, transactional applications. Instead of requiring developers to write system functions in their applications, CICS can perform these services automatically or upon request from an application. The CMAC messages data set is a VSAM key-sequenced data set (KSDS) called DFHCMACD.
- IBM CICS Transaction Server
- Data files
- - / -
- CICS CMAC Messages Data Set related extensions:
Naturally, other applications may also use the .cmac file extension. Even harmful programs can create .cmac files. Be especially cautious with .cmac files coming from an unknown source!
Can't open a .cmac file?
When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize a filename extension, you receive the following message:
Windows can't open this file:
To open this file, Windows needs to know what program you want to use to open it. Windows can go online to look it up automatically, or you can manually select one from a list of programs that are installed on your computer.
To avoid this error, you need to set the file association correctly.
- Open Control Panel > Control Panel Home > Default Programs > Set Associations.
- Select a file type in the list and click Change Program.
The .cmac file extension is often given incorrectly!
According to the searches on our site, these misspellings were the most common in the past year:
cmc, cma, cac, vmac, mac, cmax
Is it possible that the filename extension is misspelled?
Similar file extensions in our database:
- Coach Activity File
- Comic Collector Collection Data
- DB/TextWorks SQL Access Control File
- SmartWare Macro File
- UltraEdit Macro
- CMax Circuit Data
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Windows XP/Vista, Windows 7/8, Windows 10, CentOS, Debian GNU/Linux, Ubuntu Linux, FreeBSD, Mac OS X, iOS, Android
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