The files that end with the extension .fol are database files created by a DOS-based software program called the Personal filling System First Choice. These files were supported mostly by the Window’s older versions which had flat file databases. However, these files are not supported by the current versions of Windows.
This extension is mostly associated with the Microsoft Windows Mail where after configuring the mail, it saves the user’s folder setting in FOL file. These are flat files with data stored as a collection of fields. These files are converted to more usable data by use of first2html or First Out.
Programs that can handle FOL files are as follows. FOL files can be encountered on all system platforms, including mobile, yet there is no guarantee each will properly support such files.
Problems with accessing FOL may be due to various reasons. Fortunately, most common problems with FOL files can be solved without in-depth IT knowledge, and most importantly, in a matter of minutes. The list below will guide you through the process of addressing the encountered problem.
The most common reason for such problems is the lack of proper applications that supports FOL files installed on the system. The solution is straightforward, just download and install FirstOut. The full list of programs grouped by operating systems can be found above. The safest method of downloading FirstOut installed is by going to developer’s website () and downloading the software using provided links.
If the problems with opening FOL files still occur even after installing FirstOut, it is possible that you have an outdated version of the software. Check the developer’s website whether a newer version of FirstOut is available. Sometimes software developers introduce new formats in place of that already supports along with newer versions of their applications. This can be one of the causes why FOL files are not compatible with FirstOut. The latest version of FirstOut should support all file formats that where compatible with older versions of the software.
If the issue has not been solved in the previous step, you should associate FOL files with latest version of FirstOut you have installed on your device. The next step should pose no problems. The procedure is straightforward and largely system-independent
Selecting the first-choice application in Windows
Selecting the first-choice application in Mac OS
If you followed the instructions form the previous steps yet the issue is still not solved, you should verify the FOL file in question. It is probable that the file is corrupted and thus cannot be accessed.
If the file is infected, the malware that resides in the FOL file hinders attempts to open it. Immediately scan the file using an antivirus tool or scan the whole system to ensure the whole system is safe. If the FOL file is indeed infected follow the instructions below.
If you obtained the problematic FOL file from a third party, ask them to supply you with another copy. It is possible that the file has not been properly copied to a data storage and is incomplete and therefore cannot be opened. If the FOL file has been downloaded from the internet only partially, try to redownload it.
Sometimes in order to access files user need to have administrative privileges. Switch to an account that has required privileges and try opening the PFS First Choice Database Format file again.
If the system is under havy load, it may not be able to handle the program that you use to open files with FOL extension. In this case close the other applications.
Regularly updated system, drivers, and programs keep your computer secure. This may also prevent problems with PFS First Choice Database Format files. It is possible that one of the available system or driver updates may solve the problems with FOL files affecting older versions of given software.
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