A daily updated filename extension database!

RFU file extension

The table below provides useful information about the .rfu file extension. It answers questions such as:

  • What is the .rfu file?
  • What program do I need to open a .rfu file?
  • How can the .rfu file be opened, edited or printed?
  • How can I convert .rfu files to another format?

We hope you find this page helpful and a valuable resource!

1 extension(s) and 0 alias(es) found in database

✅ HP Laserjet Printer Remote Firmware Update

RFU file is a HP Laserjet Printer Remote Firmware Update. The HP LaserJet 2300, 4200 and 4300 series printers feature a remote firmware update capability. The method for downloading remote firmware updates from the Web site is similar to that used to download the latest printing-system software and printer drivers.
RFU format description not yet available
Category: Other files
Application: HP LaserJet Printer
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
RFU aliases:
RFU related links:
RFU related extensions:
HP LaserJet Vector Image

Other types of files may also use the .rfu file extension.

🚫 The .rfu file extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:

dfu, efu, ffu, fru, rcu, reu, rf, rfh, rfi, rgu, rtu, ru, ruf, tfu

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

RealFlash Clip
iOS Device Firmware Upgrade File
DFUWizard Firmware Image
iNTEGRATOR Householding Data
Sun Raster Image
RivaTuner Update Package
C64 REU Image
Java Russian Font Properties Data
Encryptafile Public Key
ProWorx NXT Address Used Tables Reference

🔴 Can't open a .rfu 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 cannot open this file:


To open this file, Windows needs to know what program you want to use to open it...

If you don't know how to set the .rfu file association, check the FAQ.

🔴 Can I change the extension of files?

Changing the filename extension of a file is not a good idea. When you change a file's extension, you change the way programs on your computer read the file. The problem is, changing the file extension does not change the file format.

If you have helpful information about the .rfu file extension, write to us!

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