What is the 1PH file?
The 1PH file extension can be associated with several types of files. Most often, however, a file with such an extension is associated with the TurboTax Format format. 1PH files are supported by Mac OS, Windows operating systems. The 1PH file is one of the Data Files files, just like 1326 of the other files found in our file information database.
A program that can open the 1PH file is e.g. TurboTax. This software was released by Intuit Inc..
Programs, that can open .1PH files
How to open a .1PH file?
If you have problems opening the file 1PH, then in most cases the problem is only the lack of the proper application installed. Select one of the programs from the list and install it on your device. The operating system should automatically associate the 1PH file format with the installed program. If not, right click on your 1PH file and select from the menu "Open with" . Then select the installed program and confirm the operation. Now all 1PH files should automatically open with the selected program.