How to open a .MARS file online
Three steps, a few seconds, no software.
Choose your .MARS file
Drag your .MARS file onto the box above or click Choose file. You can also paste a link.
Supported
Your .MARS file is opened and its pages, version and properties are shown.
Read, print or save
Scroll, zoom and search your .MARS file, print it, or go fullscreen for comfortable reading.
What is a .MARS file?
Everything worth knowing about Adobe Mars file files.
.MARS files are layout documents created by Adobe Systems. They contain formatted document data and are typically opened using Adobe Reader or Adobe Acrobat.
Programs that open .MARS files
| Developer | Adobe Systems |
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Is my .MARS file uploaded to your server?
No. When you choose a file, it's opened directly for you. The "From URL" option fetches the file through our server for you.
Can I open a password-protected .MARS file?
Yes. The viewer will ask for the password, just like a desktop reader. The password is never sent anywhere.
Is there a file size limit?
You can open a .MARS file up to 100 MB. Very large files may take a moment to render on older phones.
Why does my .MARS file open in a new tab on my phone?
Some mobile browsers can't display these files inside a page. In that case we hand the file to your phone's own viewer, which is the fastest way to read it.
My file says .MARS but won't open. Why?
It might not be a .MARS file at all. The viewer checks the file's signature and tells you what the file really is, plus which tool can open it.
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