There are 4 other file types using
the FWP file extension!
.fwp - Worms Armageddon fiddler weapons module
.fwp - TVIX firmware update
.fwp - Frontpage web packages
.fwp - FLAMES Windows Viewer project
What is fwp file? How to open fwp files?
File extension fwp is used by IMail Server.
The default software associated to open fwp file:
Imail Server 
Company or developer:
Ipswitch, Inc.
IMail Server is a Windows Email Server designed specifically for the small-to-medium sized business. IMail Server is a proven messaging solution for small to mid-sized businesses.
Help how to open:
Due the variability and uncertainty of this file type group, there is no general information available, about how to open this various data file format. However most files with extension from this group are usually not meant to be opened or viewed directly. If there are associated applications or programs listed below the extension description, you can always try to check their website for additional informations on their forums or other type of customer support.
For general information try to look at:
Identifying unknown file formats
How to convert:
As far as we know, this .fwp file type can't be converted to any other file format. This is usually the case of system, configuration, temporary, or data files containing data exclusive to only one software and used for its own purposes. Also some proprietary or closed file formats cannot be converted to more common file types in order to protect the intellectual property of the developer, which is for example the case of some DRM-protected multimedia files.
List of recommended software applications associated to the .fwp file extension
Recommended software programs are sorted by OS platform (Windows, macOS, Linux, iOS, Android etc.)
and possible program actions that can be done with the file: like open fwp file, edit fwp file, convert fwp file, view fwp file, play fwp file etc. (if exist software for corresponding action in File-Extensions.org's database).
Unspecified and all other actions for computer programs working with fwp file - IMail Server forwarded mail
Click on the software link for more information about Imail Server. Imail Server uses fwp file type for its internal purposes and/or also by different way than common edit or open file actions (eg. to install/execute/support an application itself, to store application or user data, configure program etc.).
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