How to open a .WIM file online
No extra software to download or install.
Pick your .WIM file
Drag it in or click to choose it. We read its contents list first, so it opens right away without unpacking everything.
Browse what's inside
See every file with its size, how much it's compressed and its date, and search by name across all the folders.
Preview or download
Click a file to preview text or images, or save just that one. Need everything? Download it all as a single ZIP.
About .WIM files
What a .WIM file is, and what's inside it.
A .WIM file is a Windows Imaging Format File developed by Microsoft. This data file functions as a disk image and typically contains the contents of a drive or operating system. It can be opened and managed using utilities such as WinMount and PeaZip.
Programs that open .WIM files
| Full name | Windows Imaging Format (.wim) |
|---|---|
| Developer | Microsoft Corporation |
| First released | Windows Vista (2006); used by Windows Setup ever since (install.wim, boot.wim) |
| Category | Archives |
| MIME type | application/x-ms-wim |
| Signature | 4D 53 57 49 4D 00 00 00 "MSWIM\\0\\0\\0" - WIM header magic |
Related viewers
Found something inside the archive? Open it here.
Do I have to unpack the whole .WIM file?
No. The viewer reads its table of contents first and only unpacks a file when you click it. That works even with multi-gigabyte archives, because we read just the bytes we need.
Can I open password-protected archives?
Yes, for ZIP (ZipCrypto and AES) and 7Z. You'll be asked for the password,. We can't recover forgotten passwords.
Is my .WIM file uploaded anywhere?
No. The code that unpacks the file is downloaded once and then reused.
Why does a .docx or .apk open as an archive?
Because they are ZIP archives under the hood. Office documents, Android apps, Java programs and EPUB books all use ZIP as their container.
What about split archives (.001, .z01, .part1.rar)?
Multi-part archives need all their parts. Today you can open the first part to see the file list; joining parts is on our roadmap.
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