.00 — Part File

Various · 1990

Developer

Various

Key Features

Lossless storage behavior for typical archive workflows
Common MIME type: application/octet-stream
Recognizable file signature: N/A (Relies on naming convention)
Associated with Various

Best For

Packaging files for download
Backups and transfers
Reducing storage overhead

Less Ideal For

Direct viewing without extraction
Live editing inside the package
Formats requiring immediate preview

Common Use Cases

Bundling many files together
Reducing transfer size
Preserving directory structure during sharing

How to Open It

On Windows, open the file with WinRAR or 7-Zip.
On macOS, open the file with The Unarchiver or Keka.
If the file does not open, confirm that the extension really matches .00 and that the download or transfer completed without corruption.

What is a .00 file?

The .00 file extension typically denotes a part of a split or multi-volume archive. These files are not self-contained and require other parts of the same archive to be useful. They are commonly generated by archiving software like WinRAR or 7-Zip to break down large files into smaller, more manageable pieces. Without the corresponding parts, a .00 file is essentially unusable.

Programs That Open .00 Files

Platform	Program
Windows	WinRAR	Paid	Official
	7-Zip	Free	Official
	PeaZip	Free
	Bandizip	Paid
macOS	The Unarchiver	Free
	Keka	Paid
	p7zip	Free	Official

Common Problems with .00 Files

⚠️ File is corrupted or incomplete.

Ensure all parts of the archive are downloaded and in the same folder. Try re-downloading the missing or corrupted parts. Use the repair function in archive software if available.

⚠️ Cannot open the file.

Make sure you have the correct archiving software installed (e.g., WinRAR, 7-Zip). Verify that all parts of the archive are present and named correctly.

⚠️ The file is part of a multi-volume archive, but other parts are missing.

Locate and download all the missing parts of the archive from the original source. All parts must be in the same directory to be opened.

Frequently Asked Questions

What is a .00 file?▼

A .00 file is typically a part of a larger, split archive. It cannot be opened on its own and requires other sequential parts (e.g., .01, .02, or subsequent numbered parts) from the same archive to be reassembled and extracted.

How do I open a .00 file?▼

To open a .00 file, you need the archiving software that created it (like WinRAR or 7-Zip) and all the other parts of the split archive. Place all parts in the same folder, then open the first part (often the one with the .00 extension or the lowest number) with your archiving software.

Can I create .00 files?▼

You don't directly 'create' a .00 file. Instead, when you split a large file or archive into multiple volumes using software like WinRAR or 7-Zip, the software automatically generates these numbered part files, starting with .00 or .01, depending on the software's settings.

Technical Details

Files with the .00 extension are typically sequential parts of a larger archive. They often lack a distinct header signature and rely on the file naming convention (e.g., file.part01.rar, file.part02.rar, or file.001, file.002) to indicate their order. The actual data format is determined by the archiving software that created them.

Did You Know?

The numbering convention for split archives often starts with .00 or .01 for the first part, followed by sequential numbers like .01, .02, or .001, .002.

These files are essentially 'chunks' of a larger file, designed to bypass file size limitations on older systems or for easier transfer.

If you lose even one part of a multi-volume archive, the entire archive may become unusable, depending on the software used.

Security Information

Files with the .00 extension are typically archive parts and are generally safe. However, always download archives from trusted sources, as corrupted or malicious archives can exist.