Eolsoft
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Winmail Opener Frequently Asked Questions

You say that Winmail Opener is free. What is the catch? Does it contain spyware or adware?

There is no catch. Winmail Opener is completely free and contains no spyware, ads or user tracking. For example, Download.com assigned Clean virus scan status to this software.

We believe that our application will give you the most convenient way to open those pesky winmail.dat files, and it will always be free.

I would like to recomend this product to be used in the company where I work. Do I need to have the business manager contact you about a site licence for business, or is it freeware for business as well as home users?

Winmail Opener is freeware for both commercial and personal use.

Do you have a download for Mac OS X? Is there any program (freeware) for Macintosh users (Mac OS X) to open winmail.dat?

This is a frequent question we receive. We do not develop Mac OS software, and could only recommend a freeware Mac OS application for reading and extracting TNEF-encoded files TNEF's Enough. (We heard from Mac OS users it works well).

Is it possible to install Winmail Opener in silent mode?

You can use the following installation package switches and syntax:

winmail_opener.exe [switches]
SwitchDescription
/SUnattended (silent) installation (software will be installed by default in the "%ProgramFiles%/Winmail Opener" folder)
/D=c:\WinmailOpenerSpecify default installation folder

Is it possible to uninstall Winmail Opener in silent mode?

Since version 1.5 you can use the switch /S for running uninstaller without any confirmation messages:

uninst.exe /S

Is it possible to use widcards in batch operations?

No, Winmail Opener expects only one real filename in the parameters list. But you can achieve this by writing a simple .bat file like our user did (save the text below as run.bat, modify the paths if needed):

for %%a in (c:\In\*.dat) do wmopener.exe "%%a" "c:\Out"