A tu? file extension is related to the standard mail archive format. Obsolete file format.
Software that open tu? file
TU? file extension - Standard mail archive
What is tu? file? How to open tu? files?
File type specification:
The tu? file extension is used for Standard mail archive. The tu? file contains compressed mail message and attachments.
Most likely some old format without support. No further information could be found.
This tu? file type entry was marked as obsolete and no longer supported file format.
This type of file is no longer actively used and is most likely obsolete. This is typically the case for system files in old operating systems, file types from long discontinued software, or previous versions of certain file types (like documents, projects etc.) that were replaced in higher versions of their original programs.
The default software associated to open tu? file:
FastEcho is one of the fastest tosser/scanner for the Hudson-Message base (formerly QBBS-Message base) currently available and supports the JAM message base introduced with RemoteAccess 2.00 as well as Squish (introduced with Maximus CBCS) and the old standard *.MSG format. Further, the package contains all features needed to run a point or a node; smartNetMail-packing/routing included. Typically every step TOSS, SCAN and PACK is run in one pass, including packing and unpacking of mail-bundles, importing/exporting of mails and processing of AreaFix-requests.
List of recommended software applications associated to the .tu? 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 tu? file, edit tu? file, convert tu? file, view tu? file, play tu? file etc. (if exist software for corresponding action in File-Extensions.org's database).
Unspecified and all other actions for computer programs working with tu? file - Standard mail archive
Click on the software link for more information about FastEcho. FastEcho uses tu? 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.).