RFN file icon

RFN File Extension

RoboForm Safenote Format
  • Developer
    Siber Systems
  • Category
  • Popularity
    3.3 (3 votes)

What is RFN file?

RFN is a file extension commonly associated with RoboForm Safenote Format files. RoboForm Safenote Format format was developed by Siber Systems. Files with RFN extension may be used by programs distributed for Android, Blackberry mobile phones and devices:, iOS, Mac OS, Windows platform. RFN file belongs to the Misc Files category just like 6033 other filename extensions listed in our database. The most popular program for handling RFN files is RoboForm for Chrome, but users can choose among 10 different programs that support this file format. RoboForm for Chrome software was developed by Siber Systems, Inc., and on its official website you may find more information about RFN files or the RoboForm for Chrome software program.

Programs which support RFN file extension

The following list contains programs grouped by 5 operating systems that support RFN files. RFN files can be encountered on all system platforms, including mobile, yet there is no guarantee each will properly support such files.

How to open file with RFN extension?

Being unable to open files with RFN extension can be have various origins. What is important, all common issues related to files with RFN extension can be resolved by the users themselves. The process is quick and doesn’t involve an IT expert. The following is a list of guidelines that will help you identify and solve file-related problems.

Step 1. Install RoboForm for Chrome software

Install software to open RFN file The most common reason for such problems is the lack of proper applications that supports RFN files installed on the system. This issue can be addressed by downloading and installing RoboForm for Chrome or different compatible program, such as RoboForm for Firefox, RoboForm for Internet Explorer, RoboForm for Opera. The full list of programs grouped by operating systems can be found above. The safest method of downloading RoboForm for Chrome installed is by going to developer’s website (Siber Systems, Inc.) and downloading the software using provided links.

Step 2. Update RoboForm for Chrome to the latest version

Update software that support file extension RFNIf you already have RoboForm for Chrome installed on your systems and RFN files are still not opened properly, check if you have the latest version of the software. Sometimes software developers introduce new formats in place of that already supports along with newer versions of their applications. The reason that RoboForm for Chrome cannot handle files with RFN may be that the software is outdated. The latest version of RoboForm for Chrome should support all file formats that where compatible with older versions of the software.

Step 3. Set the default application to open RFN files to RoboForm for Chrome

After installing RoboForm for Chrome (the most recent version) make sure that it is set as the default application to open RFN files. The method is quite simple and varies little across operating systems.

Associate software with RFN file on Windows

Change the default application in Windows

  • Clicking the RFN with right mouse button will bring a menu from which you should select the Open with option
  • Click Choose another app and then select More apps option
  • The last step is to select Look for another app on this PC option supply the directory path to the folder where RoboForm for Chrome is installed. Now all that is left is to confirm your choice by selecting Always use this app to open RFN files and clicking OK.
Associate software with RFN file on Mac

Change the default application in Mac OS

  • From the drop-down menu, accessed by clicking the file with RFN extension, select Information
  • Find the Open with option – click the title if its hidden
  • Select RoboForm for Chrome and click Change for all...
  • Finally, a This change will be applied to all files with RFN extension message should pop-up. Click Continue button in order to confirm your choice.

Step 4. Check the RFN for errors

If you followed the instructions form the previous steps yet the issue is still not solved, you should verify the RFN file in question. It is probable that the file is corrupted and thus cannot be accessed.

Check RFN file for viruses
1. The RFN may be infected with malware – make sure to scan it with an antivirus tool.

Should it happed that the RFN is infected with a virus, this may be that cause that prevents you from accessing it. Scan the RFN file as well as your computer for malware or viruses. If the scanner detected that the RFN file is unsafe, proceed as instructed by the antivirus program to neutralize the threat.

2. Ensure the file with RFN extension is complete and error-free

If you obtained the problematic RFN 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 RFN file has been downloaded from the internet only partially, try to redownload it.

3. Verify whether your account has administrative rights

Some files require elevated access rights to open them. Log in using an administrative account and see If this solves the problem.

4. Make sure that the system has sufficient resources to run RoboForm for Chrome

If the system is under havy load, it may not be able to handle the program that you use to open files with RFN extension. In this case close the other applications.

5. Ensure that you have the latest drivers and system updates and patches installed

Up-to-date system and drivers not only makes your computer more secure, but also may solve problems with RoboForm Safenote Format file. Outdated drivers or software may have caused the inability to use a peripheral device needed to handle RFN files.

Do you want to help?

If you have additional information about the RFN file, we will be grateful if you share it with our users. To do this, use the form here and send us your information on RFN file.

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