Opening FOLDER Files

The FOLDER file type is primarily associated with 7-Zip.

FOLDER	File extension: FOLDER
	File type:	archive container

What is a FOLDER file?

FOLDER files mostly belong to 7-Zip. FOLDER files are not real folders but special files used as containers to group items.
They often use a ZIP compressed format to hold many files and folders together.
In some cases, a FOLDER file is created as a Windows executable (EXE) that works like a shortcut for quickly opening a specific directory.

If the file is compressed, programs like 7-Zip can open and extract its contents.

If it is an executable, double-clicking it in Windows may launch the folder view directly.

These files serve to organize related items into a single package and can simplify storage, transfer, or access.
FilExt.com note: Always check the source of an executable FOLDER file before running it, as it might act as a folder shortcut while still carrying executable code.

How do you open FOLDER files?

You need a suitable software like 7-Zip to open a FOLDER file. Without proper software you will receive a Windows message "How do you want to open this file?" or "Windows cannot open this file" or a similar Mac/iPhone/Android alert. If you cannot open your FOLDER file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a FOLDER file directly in the browser:. Just drag the file onto this browser window and drop it.

Online FOLDER Text Viewer

Choose your .folder file to analyze

or drag and drop it here

Online File Viewer

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FOLDER file format:

Why is it important to know the file format? This is the only way to find out which program to use to open the file. The file format can be deduced from the file extension and the signature. Nonetheless, different programs can utilize the same file extension to represent distinct file formats. Double-clicking on the file often results in an error when opening. Knowledge is power - this also applies when dealing with unknown or faulty files. Our evaluation of the FOLDER files looks like this:

The FOLDER file extension is rarely used and is used by a few programs, each with its own file format. But the following two file formats are common:

• 25% of all FOLDER files internally use the ZIP format, so several files are compressed and saved in one FOLDER file. A typical number of included files is 6. A little tip: If you rename the file extension to .zip and then double-click, you will see the included files and images. FOLDER files can be up to 1 GB in size, but are often around 2 KB - 240 MB. The file name folder. is characteristic of these files.
• 7% of all FOLDER files use the same file format, which have the signature 0C 00 00 00 00 00 00 00. If you open these files in a text editor, you will see only illegible characters. FOLDER files are between 63 bytes and 70 bytes in size. An example of a file name is Cen.Folder or Ecg.Folder.

All other FOLDER files (68%) have no uniform format, the following 4 formats can be found: JSON and EXE. These files are often connected to global, google, images or apps. You can get all the details of your FOLDER file by dragging it onto this page or by clicking the button "Choose your .folder file to analyze" above.