Packrat 4.0 data
File type: Various data file
A pr1 file extension is related to the Packrat, a personal financial program. A pr1 file stores data from Packrat.
Found 2 different file type records with the same pr1 filename suffix.
File type category:
Various data file
Date updated: February 21, 2018
Record marked as obsolete and not updated for a long time.
The pr1 file extension is associated with the Packrat 4.0., a personal financial manager for Microsoft Windows, developed by Polaris.
The pr1 file contains some kind of data used by this app.
The *.pr1 files are used for internal purposes of Packrat.
Software apps that create pr1 files:
Microsoft Windows
PackRat 4.0.
Software applications that handle other tasks involving pr1 files:
Microsoft Windows
PackRat 4.0.
File type category:
Accounting, financial and tax file
Date updated: September 24, 2026
The PR1 file extension is associated with CheckMark Payroll Software, a payroll application for small businesses developed by CheckMark Software, Inc.
The file contains employee data used by the payroll system. It is a proprietary data file intended to be managed as part of a CheckMark Payroll installation on Microsoft Windows.
Open a PR1 file from within CheckMark Payroll Software on Microsoft Windows. The file is intended for use by the payroll application rather than as a standalone document, so opening it directly from Windows may not display its contents correctly.
To obtain the employee information in another format, open the file in CheckMark Payroll Software and use the application's available export or reporting functions.
Software applications that handle other tasks involving pr1 files:
Microsoft Windows
Language
