File Extension RB4

.RB4 File

File extension: RB4
File type: Backup


Notes about the RB4 file extension:



To open this file type, a required software must be installed. Without it you only see a Windows message "The following file cannot be opened" (Windows 7) or "How do you want to open this file?" (Windows 10) if you double-click the file. There click on "More apps" and choose a suitable software to view such files on your PC or from email attachments.

The RB4 file type is primarily associated with 'Anti-Virus'. Used by Trend, et.al.

Detailed information for file extension RB4:


Primary association: Anti-Virus
Related links: Trend

Other applications associated with file type RB4:

  • R:Base (Data) by R:BASE Technologies, Inc.Each database has four files, named the same but with extensions RB1, RB2, RB3, and RB4. This association is classified as Database.
  • Resume Builder (Ver 4 Data File) by Sarm SoftwareResume Builder creates your own customized resume and presents you in the best possible light at the employer’s office by describing your precise skills, responsibilities and work experience. The identifying characters used for this association are - Hex: 52 42 34 00 28 63 29 20 53 61 72 6D 20 53 6F 66 74 77 61 72 65 00 , ASCII: RB4.(c).Sarm.Software
File Identifier - TrID
'Identifying characters' used on FILExt.com are
provided by Marco Pontello from his TrID database




To change file associations press Windows Key + X and then Apps and Features > Default apps > Choose default apps by file type. Invalid file associations could be the result of underlying issues within your Windows PC.

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