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Android Apps > Productivity > Winmail.dat Extractor Free
Winmail.dat Extractor Free icon

Winmail.dat Extractor Free

Open and extract MS Outlook "Winmail.dat" attachments
by Uwe Ritter
Google Play
Google Play
100+
Thousand
Downloads
PREMIUM
Est. downloads
PREMIUM
Recent d/loads
3.22
477
Rating
Medium
ranked
Ranking
7
Libraries
4.2+
Android version
11/19/15
Last updated
2012
February
App age
1.51 MB
App size
Everyone
Content rating
FREE
Price

Google Play Rating history and histogram

174
81
48
25
149

Changelog

  • Nov 19, 2015 Update Version 2.1
  • Sep 13, 2014 Installs 100,000+ installs
  • Apr 28, 2013 Installs 50,000+ installs
  • Feb 25, 2013 Update Version 1.4
  • Dec 23, 2012 Update Version 1.3
  • Nov 10, 2012 Update Version 1.2
  • Jul 3, 2012 Installs 10,000+ installs
  • May 3, 2012 Installs 5,000+ installs
  • Mar 3, 2012 Installs 1,000+ installs
  • Feb 28, 2012 Installs 500+ installs
  • Feb 23, 2012 New App Version 1.0 in Productivity for Free
View more View less

Developer information

Uwe Ritter

[email protected]

Website

Mannhardtstrasse 8
D-80538 Munich
Germany

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Description

I guess many of us have already stumbled over "winmail.dat" or "attxxxx.dat" attachments in our Android email clients.

These attachment names usually occour, when somebody who is using a Microsoft Outlook EMail client sends you an certain RTF (rich text format) email with attachments. MS Outlook then packs these attachments into a TNEF (Transport-Neutral Encapsulation Format) envelope. Other MS Outlook Clients can deal with this format, but, however, most of the other email clients cannot! They will receive instead an attachment with the above mentioned naming and can basically do nothing with it.

While this is a well known (and annoying) circumstance there are already plug-ins for many open email clients such as Mozilla Thunderbird. For Android however there seemed to be nothing (and I have been doing quite some research on it).

So I finally decided to write my own app to deal with TNEF attachments. Luckily there was already an existing Java package which could do the extraction job so that I "only" had to create the Android app around it and do some debugging on the original code. My kudos here go to Amichai Rothman for his Java TNEF package (http://www.freeutils.net/source/jtnef/)!!

I originally created this application for my own purposes but then I thought it is worth while sharing it with the community. It is already bi-lingual (english and localized to german) and should get its job done.

The app itself registers as a handler for *.dat or *.DAT files and for email attachments. When you e.g. try to open a "winmail.dat" attachment from within your Android email client or a "winmail.dat" file with your file browser the app should be launched or you see a chooser box where you can select this app. When you do so you will see an alert box. When you press "Ok" the app will try to extract the contents of "winmail.dat" to a local folder. The default for this folder is "/sdcard/winmail". After it has successfully completed the extraction the app leaves a notification. When you open the the notification it will show you the contents of the target folder in another alert box. You can then use any file manager to browser to the target directory to access the real attachments out of the "winmail.dat" envelope.

If you launch the app directly it will present you a setup screen with some explanation on it and the possibility to specify your own target directory to where the extracted files should go. Furthermore, the check boy allows you to decide whether each attachment / file should be extracted to an own subdirectory.

The only system privileges that the app acquires upon installation are to be able to write to the external storage (sdcard) and to read from Google Mail.

Recent changes:
Changed minimum Android Version to 4.2.2
Fixed false handling of target director
I guess many of us have already stumbled over "winmail.dat" or "attxxxx.dat" attachments in our Android email clients.

These attachment names usually occour, when somebody who is using a Microsoft Outlook EMail client sends you an certain RTF (rich text format) email with attachments. MS Outlook then packs these attachments into a TNEF (Transport-Neutral Encapsulation Format) envelope. Other MS Outlook Clients can deal with this format, but, however, most of the other email clients cannot! They will receive instead an attachment with the above mentioned naming and can basically do nothing with it.

While this is a well known (and annoying) circumstance there are already plug-ins for many open email clients such as Mozilla Thunderbird. For Android however there seemed to be nothing (and I have been doing quite some research on it).

So I finally decided to write my own app to deal with TNEF attachments. Luckily there was already an existing Java package which could do the extraction job so that I "only" had to create the Android app around it and do some debugging on the original code. My kudos here go to Amichai Rothman for his Java TNEF package (http://www.freeutils.net/source/jtnef/)!!

I originally created this application for my own purposes but then I thought it is worth while sharing it with the community. It is already bi-lingual (english and localized to german) and should get its job done.

The app itself registers as a handler for *.dat or *.DAT files and for email attachments. When you e.g. try to open a "winmail.dat" attachment from within your Android email client or a "winmail.dat" file with your file browser the app should be launched or you see a chooser box where you can select this app. When you do so you will see an alert box. When you press "Ok" the app will try to extract the contents of "winmail.dat" to a local folder. The default for this folder is "/sdcard/winmail". After it has successfully completed the extraction the app leaves a notification. When you open the the notification it will show you the contents of the target folder in another alert box. You can then use any file manager to browser to the target directory to access the real attachments out of the "winmail.dat" envelope.

If you launch the app directly it will present you a setup screen with some explanation on it and the possibility to specify your own target directory to where the extracted files should go. Furthermore, the check boy allows you to decide whether each attachment / file should be extracted to an own subdirectory.

The only system privileges that the app acquires upon installation are to be able to write to the external storage (sdcard) and to read from Google Mail.

Recent changes:
Changed minimum Android Version to 4.2.2
Fixed false handling of target director
Show full description Hide full description
already amichai attachments box clients dat email envelope extracted file folder format java jtnef occour outlook own rothman sdcard should subdirectory target tnef when winmail

Comments

Tag cloud

app attachment attachments dat directory file files open work works

Positive comment tag cloud

app attachments directory extracting files nice open thanks winmail works

Negative comment tag cloud

can dat file files hijacked htc message open unable work

Google Play Rankings

Top rankings

Rank Country Category List
319 Switzerland Productivity Top Free
439 Norway Productivity Top Free
460 Austria Productivity Top Free
466 Belgium Productivity Top Free
483 South Korea Productivity Top Free
496 Denmark Productivity Top Free
Show all market rankings Show competitors

Ranking history in Switzerland

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I'm the developer of this app

Permissions

Development tools
test access to protected storage
Your messages
read Gmail, read Gmail
Storage
modify or delete the contents of your USB storage

Libraries

Ad network libraries

None found

Social libraries

None found

Development tools

Apache Commons I/O Apache Commons Codec Google Guava Apache Commons Lang JavaMail Apache James Mime4j javamail-android

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