PR1 file format description
Many people share .pr1 files without attaching instructions on how to use it. Yet it isn’t evident for everyone which program a .pr1 file can be edited, converted or printed with. On this page, we try to provide assistance for handling .pr1 files.
2 filename extension(s) found in our database.
.pr1 - CheckMark Payroll Employees Data
The PR1 data files are related to CheckMark Payroll. PR1 file is a CheckMark Payroll Employees Data. CheckMark Payroll is a complete solution designed for do-it-yourself payrolls.
- CheckMark Payroll
- Data files
- - / -
- CheckMark Payroll Employees Data related extensions:
.prx - KNX ETS v2 Project
The PRX project files are related to KNX ETS. PRX file is a KNX ETS v2 Project. ETS stands for Engineering Tool Software; a manufacturer independent configuration software tool to design and configure intelligent home and building control installations with the KNX system
- KNX ETS
- Project files
- - / -
- pr1, pr2
- KNX ETS v2 Project related extensions:
Naturally, other applications may also use the .pr1 file extension. Even harmful programs can create .pr1 files. Be especially cautious with .pr1 files coming from an unknown source!
Can't open a .pr1 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 .pr1 file extension is often given incorrectly!
According to the searches on our site, these misspellings were the most common in the past year:
p1, pd1, pf1, pg1, pr, prl, prq, prw, pt1, rp1
Is it possible that the filename extension is misspelled?
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DataTypes.net currently supports the following operating systems:
Windows XP/Vista, Windows 7/8, Windows 10, CentOS, Debian GNU/Linux, Ubuntu Linux, FreeBSD, Mac OS X, iOS, Android
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