Which MIME types are related to file extension ".rev"?
The .rev file extension is associated with 2 MIME types:
application/vnd.rar, application/x-rar-compressed.
A MIME type is a string that tells browsers and other tools how to handle a particular kind of file.
About .rev Files
REV files are recovery volume files linked to RAR archives. They store extra parity data that helps repair damaged or missing parts of an archive. This feature enhances data reliability. Based on information from FilExt.com, REV files are an additional safeguard for RAR archives that ensures you can recover your data if part of the archive becomes unusable.
They use the MIME types application/vnd.rar and application/x-rar-compressed, the same as regular RAR files.
Relationship between file extension and MIME type
A file extension is a suffix at the end of a filename that indicates what type of file it is. File extensions help both users and operating systems identify what application should be used to open the file.
File extensions are typically separated from the filename by a period (dot) and consist of 2-4 characters, though they can be longer. For example, in the filename "document.pdf", ".pdf" is the file extension.
File extensions are closely related to MIME types, as they both serve to identify the format of a file. However, while MIME types are used primarily by web browsers and servers, file extensions are used by operating systems and applications.
Associated MIME types
application/vnd.rar, application/x-rar-compressed
FAQs
What is a .rev file?
A .rev file is a recovery volume used in conjunction with multi-part RAR archives. It contains parity data that allows software like WinRAR to reconstruct missing or damaged parts of an archive set.
How do I open or use a .rev file?
You do not open .rev files to view content; instead, you keep them in the same folder as your RAR volumes. If a volume is missing or corrupt, double-clicking the .rev file in WinRAR will verify the set and attempt to reconstruct the missing data.
Can I delete .rev files?
Yes, once you have successfully extracted the files from your RAR archive, the .rev files are no longer needed. They serve only as a backup mechanism to repair data integrity issues during the extraction process.
How many .rev files do I need to fix a broken archive?
You generally need one .rev file for every missing or corrupt RAR volume. For example, if your archive is split into 50 parts and 3 are missing, you need at least 3 .rev files to fully restore the archive.
What software creates .rev files?
The most common software for creating these files is WinRAR. When creating a split archive, users can select the "Recovery volumes" option in the Advanced tab to generate .rev files automatically alongside the .rar parts.
Why does my download include .rev files?
Uploaders often include .rev files with large split archives (common on Usenet or file hosting sites) to ensure downloaders can still extract their files even if a specific part of the download gets corrupted or is deleted.
What is the MIME type for .rev files?
Since they are part of the RAR ecosystem, .rev files typically utilize the MIME type application/vnd.rar or application/x-rar-compressed. You can look up these types on mime-type.com for server configuration details.
General FAQ
What is a MIME type?
A MIME (Multipurpose Internet Mail Extensions) type is a standard that indicates the nature and format of a document, file, or assortment of bytes. MIME types are defined and standardized in IETF's RFC 6838.
MIME types are important because they help browsers and servers understand how to process a file. When a browser receives a file from a server, it uses the MIME type to determine how to display or handle the content, whether it's an image to display, a PDF to open in a viewer, or a video to play.
MIME types consist of a type and a subtype, separated by a slash (e.g., text/html, image/jpeg, application/pdf). Some MIME types also include optional parameters.
How do I find the MIME type for a file?
You can check the file extension or use a file identification tool such as file --mime-type on the command line. Many programming languages also provide libraries to detect MIME types.
Why can one extension have multiple MIME types?
Different programs and historical usage may assign various MIME identifiers to the same file format. Listing them together helps maintain compatibility across tools.