A daily updated filename extension database!

Details of the .wsr file extension

The table below provides useful information about the .wsr file extension. It answers questions such as:

  • What is the .wsr file?
  • What program do I need to open a .wsr file?
  • How can the .wsr file be opened, edited or printed?
  • Where can I find the specifications for .wsr?
  • Which MIME-type is associated with the .wsr extension?
  • How can I convert .wsr files to another format?
  • What are other, similar filename extensions to .wsr?

We hope you find this page helpful and a valuable resource!

1 extension(s) and 0 alias(es) found in database

.wsr file extension details

Mail.dat Walk Sequence File

Mail.dat Walk Sequence File .wsr file icon
WSR file is a Mail.dat Walk Sequence File. Mail.dat is the standard embraced by a significant portion of the mail production industry and the US Postal Service. Mail.dat is a relational database of nineteen "connected" files describing each characteristic that can exist within a mailing.
Category: Data files
Application: PostalOne!
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
WSR aliases:
WSR related links:
WSR related extensions:
Mail.dat Container Quantity Data

Mail.dat Mail Piece Unit File

Mail.dat Postage Account File

Mail.dat Component File

Mail.dat Container Summary File

Mail.dat International Container Label File

Mail.dat Package Quantity File

Mail.dat Package Label File

Mail.dat Piece Detail File

Mail.dat Special Fees File

Other types of files may also use the .wsr file extension.

.wsr file extension error

The .wsr file extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:

ws, wst, wrs, wer, qsr, wsf, wsd, ssr, wr, esr, dsr, asr, wse, swr, wsg

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

SmartWare Worksheet Document
IBM Personal Communications WorkStation Profile
Worksheet Builder Worksheet
WinSSHD Settings
Windows Error Report
WordStar 2000 Template
Worksheet Builder Worksheet Template
Bagger Simulator WRS Archive
WordStar 2000 Document
CARE-S Water Quality Simulation Results Data
open .wsr file

Can't open a .wsr file?

When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize a filename extension, you receive the following message:

Windows cannot open this file:


To open this file, Windows needs to know what program you want to use to open it...

If you don't know how to set the .wsr file association, check the FAQ.

.wsr file extension

Can I change the extension of files?

Changing the filename extension of a file is not a good idea. When you change a file's extension, you change the way programs on your computer read the file. The problem is, changing the file extension does not change the file format.

If you have helpful information about the .wsr file extension, write to us!

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