Redact PDFs for real: nothing left under the black boxes
- Free: 5 documents a day, up to 3 redacted pages each, true redaction
- $4.95 once: Any length, one-click redact-all, batch folders, scrub hidden data
Vow File Opener
Universal file viewer for Windows
Open the files Windows can't. 443 file types. One app.
Pages, Numbers and Keynote without a Mac, Outlook emails without Outlook, Photoshop, AutoCAD, EPS, iPhone HEIC photos, e-books, archives and videos. Drop a file to see what's inside, then save it as PDF, Word, Excel or JPEG. No uploads, no sign-up.
- No ads
- No malware
- No account
- Light & dark theme
- View every format free, plus 3 conversions or prints a day
No ads. Ever.No pop-ups, no banners, no "offers".
No malware or bundlewareThe installer installs one thing: this app.
No account, no uploadIt works on your PC, and your files stay there.
Free daily limits, just $9.95 unlimitedNo subscription. No trial that runs out.
The problem
"How do I open this file?" shouldn't need five apps
Someone sends a .pages, a .dwg or an iPhone photo, and Windows shrugs. The search for an app that can open it is where the trouble starts.
"How do you want to open this?"
Windows points you to the Store and a list of apps that can't read it. Pages, Numbers, Keynote, DWG and EPS have no app built in.
Upload it to convert it
Online converters want your contract, drawing or family photo on their servers, then make you wait for a download link.
Trial timers
File viewer suites often stop working when the trial runs out, right when the next odd file lands in your inbox.
A thumbnail, not the content
Many viewers show only the preview picture of a Pages document or Keynote deck, not the text, tables and slides inside.
Shady download sites
"Free file opener" downloads stuffed with ads, toolbars and installers that quietly change your browser.
Wrong or missing endings
A .dat that is really a photo, or a file with no ending at all, and nothing on the PC knows what to do with it.
Vow File Opener fixes all of it.
How it works
Drop. See. Save.
The file opens as what it really is, with everything inside it, and leaves in the format you need.
- 01
Drop the file
Drag any file onto the window, or right-click it in Explorer and choose Open with Vow File Opener. Several files open side by side as tabs.
Drop the file Windows can't open, or open several as tabs - 02
See what's inside
The header says what the file is, its views sit in a row of buttons, and the details panel lists author, pages, camera, layers and more.
- 03
Save it your way
Press Save as to turn it into PDF, Word, Excel, PowerPoint, JPEG, PNG or MP4, best choices first, or print it with full printer options.
Convert many files at once to PDF, Word, Excel and more
Features
One app for the files you get stuck with
From Apple documents and CAD drawings to camera RAW, mailboxes and mystery files with no ending at all.
Pages, Numbers and Keynote
Apple iWork files from 2013 on and from '09: text and tables, every Numbers sheet, and Keynote slides with speaker notes. No Mac needed.
Outlook emails
MSG files (also appointments, contacts and tasks), EML and MBOX with attachments, and tracking pictures blocked until you allow them.
Photos and design files
HEIC, AVIF, WebP, camera RAW, Photoshop PSD with every layer, GIMP, TIFF and icons, with camera details and a GPS map link.
AutoCAD DWG and DXF
Drawings shown as crisp vector graphics with layers on and off, text and dimensions. Save them as PDF, SVG or PNG.
EPS and Illustrator
EPS previews, Vow's own PostScript drawer for EPS files without a preview, and modern .ai files through their PDF part.
Archives and disc images
ZIP, RAR, 7-Zip, TAR, CAB, ISO and MSI: open any file inside in a new tab, or extract everything safely.
Video and audio
MP4, MKV, AVI, WMV, FLV, MP3, FLAC and more play in the app; formats the player can't handle are converted for playback.
Recognised by content
A file with a wrong or missing ending opens as what it really is. Anything unknown opens as raw bytes with the text inside.
Convert to what you need
Pages to Word, Numbers to Excel, Keynote to PowerPoint, HEIC to JPEG, DWG to PDF, AVI to MP4, with quality and size options.
Convert whole folders
Drop a folder, pick PDF, Word, Excel, JPEG, MP3 or another target, and every file that can become it is converted.
Light & dark theme
Easy on the eyes, day or night.
File Opener comes with a crisp light theme and a calm dark theme. Switch with one click, or let it follow your Windows setting by itself. It remembers your choice.
- LightClear and bright for daytime and busy offices
- DarkGentle on tired eyes late at night
- Follow WindowsChanges by itself when your PC does
Screenshots
See Vow File Opener in action
Real screenshots of the real app, in both of its themes: 8 light, 8 dark. Click any picture to see it full size.
Light theme
Dark theme
Who it's for
Whoever sent it, you can open it
Mac files on a Windows PC
Open the Pages, Numbers or Keynote file a Mac user sent, then save it as Word, Excel or PowerPoint.
iPhone photos
View HEIC photos with their camera details and save them as JPEG for anyone who can't open them.
Builders and tradespeople
Check an AutoCAD drawing from an architect or engineer without buying CAD software.
Files from designers
Look inside a PSD, EPS or AI file from your designer before you sign it off.
Office and admin work
Outlook emails, old Word and Works documents, OpenDocument files and PDFs, all as tabs in one window.
Mystery files
Find out what a file with a strange or missing ending really is, and read the text inside it.
Compare
Vow File Opener vs typical file viewer apps
Why opening a file shouldn't mean a trial timer, an upload or just a thumbnail.
| Feature | Vow File Opener | Typical file viewers & online converters |
|---|---|---|
| Price | Viewing free for good, or $9.95 once | A paid licence, often after a trial |
| Pages, Numbers and Keynote content | Text, tables, every sheet and slide | Often just a preview picture |
| Converts to Word, Excel and PowerPoint | Yes | Often only PDF and pictures |
| AutoCAD DWG with layers | Yes, as vector graphics | Rarely |
| Email tracking pictures | Blocked until you allow them | Often loaded straight away |
| Wrong or missing file endings | Recognised by content | Often refused |
| Your file is uploaded | Never | Yes, for online converters |
| Ads and bundled extras | None, ever | Common on free download sites |
"Typical" describes what we found across the most-downloaded alternatives when we built File Opener. Your mileage with any one of them may vary; ours won't.
Pricing
Free every day. Just $9.95 once for the lot.
That is not a typo. Software this powerful usually means a monthly subscription; File Opener is $9.95, once, for life: it's almost a giveaway. Use it free for as long as you like, and unlock Unlimited only if you need more.
Free
$0forever
View every format free, plus 3 conversions or prints a day.
- Open and view every format, any number of files
- Copy text, save email attachments and archive entries
- Extract archives, see file details and checksums
- 3 conversions or prints a day (resets at midnight)
- Wrong or missing file endings recognised
- No watermarks, no sign-up, nothing uploaded
Best valueUnlimited
$9.95USD, once. Yours for life.
Almost a giveaway. Less than a takeaway lunch for software this powerful: no subscription, no renewals, yours for life on 2 PCs.
Unlimited conversions and prints, plus whole-folder batches.
- Unlimited conversions and prints, every day
- Convert whole folders in one go
- PDF, Word, Excel, PowerPoint, JPEG, PNG, MP4, MP3 and more
- Yours for life: no subscription
- Use it on up to 2 PCs
- Every future format and update included
How unlocking works
- 1Use it free first Install Vow File Opener and use it on your own files. No card, no account, no time limit.
- 2Click "Unlimited" in the app Pay $9.95 USD once by card, securely through Stripe in your browser.
- 3It unlocks itself Within seconds, for life, on up to 2 of your PCs. Your license key is emailed to you, and every future update is included.
Payments by Stripe: we never see or store your card. Questions? Ask a real person.
Clean software
Safe to install. Nothing else comes with it.
Most "free" Windows downloads pay for themselves with ads, bundled extras or your data. Vow File Opener doesn't need to: it's paid for honestly, once, by the people who find it useful.
Download File Opener free- No ads, toolbars or "offers"The installer installs one thing: Vow File Opener. No pre-ticked boxes to watch out for.
- No administrator rights neededIt installs just for you, in your own user folder, and leaves the rest of Windows alone.
- Nothing running in the backgroundNo startup programs, no tray nags, no services. When you close it, it's closed.
- Everything includedAll it needs is inside the installer, so you never have to fetch a "required component" from somewhere else.
- Uninstalls cleanlyOne click in Windows Settings > Apps. Your own files are never touched.
- A real company behind itMade, published and supported by XTO Pty Ltd, an Australian company, with real people answering every message.
Step-by-step guide
How to open a file Windows can't open
From "How do you want to open this file?" to reading it, and saving it as something useful, in a minute.
Step 1: get it freeDownload and install it free
Get Vow File Opener from this page and run the installer. It needs no administrator rights and no account, and adds itself to Explorer's Open with list without changing your default apps.
Open the file
Drop the file on the window or click Open files, or right-click it in Explorer and choose Open with Vow File Opener. Not sure what a file is? Type its ending on the start page.
Look through its views
Use the buttons under the file name, such as Document, Sheets, Slides, Message, Attachments or Raw bytes. The details panel lists everything known about the file.
Save it as something useful
Press Save as (Ctrl+S). The best formats for that file come first, such as Word or PDF for a Pages document and JPEG for a HEIC photo, with quality and size under Advanced.
Or convert a whole folder
Open Convert, drop a folder, pick the target format and choose where the files go. Every file that can become that format is converted; free batches use what is left of the day's 3 conversions.
Technical details
File Opener at a glance
- Works on
- Windows 10 (1809+) and Windows 11, 64-bit
- File types
- 443 endings in 89 kinds of file
- Converts to
- PDF, DOCX, XLSX, PPTX, JPEG, PNG, WebP, MP4, MP3, ZIP and more
- Apple iWork
- Pages, Numbers, Keynote (2013 and later, and '09)
- CAD and 3D
- DWG (R13 to 2018+), DXF, STL, OBJ, PLY
- Internet
- Not needed: everything is in the installer
- Install
- Per-user, no administrator rights, no account
- Languages
- English
- Theme
- Light, dark or follow Windows: one click to switch
- Version
- 1.0.0, released 6 November 2026
- Publisher
- XTO Pty Ltd (Australia)
FAQ
Questions about File Opener
Is Vow File Opener free?
Yes. Opening and viewing every supported format is free with no time limit, along with copying text, saving email attachments, extracting archives and checksums. 3 conversions or prints a day are free too (resets at midnight). Unlimited, a one-time $9.95 USD payment, removes the limit and converts whole folders at once.
Which file types can it open?
443 file endings in 89 kinds of file, including Apple Pages, Numbers and Keynote, Outlook MSG and EML, Photoshop PSD, AutoCAD DWG and DXF, EPS and AI, HEIC and camera RAW, Word, Excel, PowerPoint, OpenDocument, PDF, e-books, archives, fonts, video, audio, SQLite databases, 3D models and source code.
Can I open Pages, Numbers and Keynote files on Windows?
Yes, without a Mac. Vow reads Apple's own file format, so you see the text and tables of a Pages document, every sheet of a Numbers file and every Keynote slide with its notes, and can save them as Word, Excel, PowerPoint or PDF.
What if a file has the wrong ending, or none?
Vow checks the content first, so a .dat that is really a PNG, or a .zip that is really a Numbers file, opens as what it is. Anything it doesn't know opens as raw bytes, with the readable text inside.
Does it upload my files?
No. Everything is opened and converted on your own PC. Programs inside files are never run, scripts in emails and web pages are blocked, and pictures from the internet stay off until you allow them.
How is it different from File Viewer Plus or FileMagic?
Viewing is free with no time limit, rather than a 14-day trial like File Viewer Plus. Where those viewers stumble on Pages, Numbers and Keynote tables and slides, Outlook items other than mail, DWG layers and EPS files without a preview, Vow shows the content, converts to editable Word, Excel and PowerPoint, and costs $9.95 once.
Will it change my default apps?
No. The installer adds Vow to Explorer's Open with list and, if you want, an Open with Vow File Opener item on the right-click menu. Your default apps stay as they are, and uninstalling removes those entries.
Is it safe to install?
Yes. It is made and published by XTO Pty Ltd, an Australian company. There are no ads, no bundled software and no account, it needs no administrator rights, and it uninstalls cleanly from Windows Settings.
The Vow collection
More apps you'll never have to go looking for
Same design, same promises, a tiny one-time price. Learn one and you already know them all.
Merge, split and reorder PDFs on your own PC
- Free: Merge 3 files at a time, split one PDF at a time, 5 saves a day
- $4.95 once: Any number of files, drag-and-drop pages, rotate, batches
Shrink any PDF to the exact size an upload form asks for
- Free: 3 PDFs a day with Light, Balanced and Strong; try every setting free
- $4.95 once: Exact target sizes, any number of PDFs, folders, full quality control
Done searching. Get File Opener.
Open the files Windows can't, all in one app. Free to use every day, $9.95 once if you ever want Unlimited.
- No ads
- No malware
- No account
- No subscription