RFI File Extension

What is RFI file?

Full format name of files that use RFI extension is SPEFO Stellar Spectra Analysis. SPEFO Stellar Spectra Analysis format was developed by Astronomical Institute of the Academy of Sciences of the Czech Republic. Files with RFI extension may be used by programs distributed for Windows platform. RFI file format, along with 6033 other file formats, belongs to the Misc Files category. The most popular software that supports RFI files is SPEFO. On the official website of Astronomical Institute of the Academy of Sciences of the Czech Republic developer not only will you find detailed information about theSPEFO software, but also about RFI and other supported file formats.

Programs which support RFI file extension

The following listing features RFI-compatible programs. Files with RFI extension, just like any other file formats, can be found on any operating system. The files in question may be transferred to other devices, be it mobile or stationary, yet not all systems may be capable of properly handling such files.

How to open file with RFI extension?

Problems with accessing RFI may be due to various reasons. Fortunately, most common problems with RFI 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.

Step 1. Download and install SPEFO

The main and most frequent cause precluding users form opening RFI files is that no program that can handle RFI files is installed on user’s system. To address this issue, go to the SPEFO developer website, download the tool, and install it. It is that easy Above you will find a complete listing of programs that support RFI files, classified according to system platforms for which they are available. The safest method of downloading SPEFO installed is by going to developer’s website (Astronomical Institute of the Academy of Sciences of the Czech Republic) and downloading the software using provided links.

Step 2. Verify the you have the latest version of SPEFO

You still cannot access RFI files although SPEFO is installed on your system? Make sure that the software is up to date. Software developers may implement support for more modern file formats in updated versions of their products. This can be one of the causes why RFI files are not compatible with SPEFO. The latest version of SPEFO should support all file formats that where compatible with older versions of the software.

Step 3. Associate SPEFO Stellar Spectra Analysis files with SPEFO

If the issue has not been solved in the previous step, you should associate RFI files with latest version of SPEFO 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

• Choose the Open with entry from the file menu accessed by right-mouse clicking on the RFI file
• Next, select the Choose another app option and then using More apps open the list of available applications
• The last step is to select Look for another app on this PC option supply the directory path to the folder where SPEFO is installed. Now all that is left is to confirm your choice by selecting Always use this app to open RFI files and clicking OK.

Selecting the first-choice application in Mac OS

• Right-click the RFI file and select Information
• Open the Open with section by clicking its name
• Select SPEFO and click Change for all...
• If you followed the previous steps a message should appear: This change will be applied to all files with RFI extension. Next, click the Continue button to finalize the process.

Step 4. Ensure that the RFI file is complete and free of errors

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

1. Verify that the RFI in question is not infected with a computer virus

If the RFI is indeed infected, it is possible that the malware is blocking it from opening. Immediately scan the file using an antivirus tool or scan the whole system to ensure the whole system is safe. If the RFI file is indeed infected follow the instructions below.

2. Verify that the RFI file’s structure is intact

If the RFI file was sent to you by someone else, ask this person to resend the file to you. It is possible that the file has not been properly copied to a data storage and is incomplete and therefore cannot be opened. When downloading the file with RFI extension from the internet an error may occurred resulting in incomplete file. Try downloading the file again.

3. Ensure that you have appropriate access 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 SPEFO

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

5. Check if you have the latest updates to the operating system and drivers

Regularly updated system, drivers, and programs keep your computer secure. This may also prevent problems with SPEFO Stellar Spectra Analysis files. It is possible that one of the available system or driver updates may solve the problems with RFI files affecting older versions of given software.

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