CAB to 7ZIP Converter • Online & Free • MConverter

How to convert CAB to 7Z?

You can convert CAB to 7ZIP with MConverter in three easy steps:

Choose CAB files from your device
At the top of this page, drag and drop your CABs.
You can also click to select CAB files using your operating system's file picker.
Another method is to press the keyboard shortcut Ctrl+V (⌘+V on Mac) to paste a CAB file you have copied to clipboard.
Converting a folder with CAB files to 7Z is also supported: simply paste or drag and drop it.
Click or tap on 7Z from the list of target formats
Alternatively, you can use the search field to quickly find the format you need, whether it's 7Z or something else.
Download your 7Z files, after MConverter has finished processing them
There's an option to automatically download the converted 7Z files, so you don't have to press the download icon for each 7Z.
On desktop platforms, you can download the 7Z files to a different folder by clicking on SAVE TO...
You may see a share icon as well. Use it to directly share the 7Z's with other apps.

About the formats

File extension	.cab
Category	Archive/Compression file formats
Developed by	Microsoft
Mime type	application/vnd.ms-cab-compressed

Format description

CAB is a Windows-specific archive format, similar to ZIP. Windows Cabinet files are often used for updating some system components and distributing device drivers.

File extension	.7z
Category	Archive/Compression file formats
Developed by	Igor Pavlov
Mime type	application/x-7z-compressed

Format description

A 7Z file is an archive which uses open-source LZMA compression with high compression ratio.

Common questions about converting CAB to 7Z

Can I convert CAB to 7Z in bulk?

Yes, MConverter supports batch converting of multiple CABs to 7Z's simultaneously. You can even drag and drop folders containing CABs to convert to 7Z.
Pasting CAB files and folders copied in the clipboard also works: use Ctrl+V.

Can I convert a CAB file to 7Z, if its size is 2 GB?

Yes, with MConverter Pro you can convert big CABs, up to 2 gigabytes each.
The free version lets you convert files up to 100 MB. If you need to convert CAB files over 100 megabytes, try MConverter Pro. If your files aren’t over 1 GB, then you can use MConverter Plus instead, as it’s cheaper.

Is converting CABs to 7Z safe with MConverter?

Yes, we encrypt your connection using industry standards. Plus, your CAB files are only accessible by you. 4 hours after the conversion completes, they are automatically deleted from MConverter’s servers. You can also delete your CABs and other converted files immediately after finishing the conversion by clicking the bin icon.
Join thousands who have trusted us to convert over 15,109,904 files so far.

How long does it take to convert CAB to 7Z?

For most archive files, the wait is often less than a minute. However, MConverter also supports converting larger archive files, meaning that it could take a while (up to over an hour, for example).