A daily updated filename extension database!

WK4 file extension

The table below provides useful information about the .wk4 file extension. It answers questions such as:

  • What is the .wk4 file?
  • What program do I need to open a .wk4 file?
  • How can the .wk4 file be opened, edited or printed?
  • How can I convert .wk4 files to another format?
  • Where can I find the specifications for .wk4?
  • Which MIME-type is associated with the .wk4 extension?

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

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

Lotus 1-2-3 Worksheet

WK1 file is a Lotus 1-2-3 Worksheet. Lotus 1-2-3 is a spreadsheet program designed for IBM-compatible personal computers by Lotus Corporation in 1982.
Category: Document files
Application: Lotus 1-2-3
Mime-type: application/vnd.lotus-1-2-3
Magic number: -
Magic string: -
Sample: -
WK1 aliases:
wk3, wk4, wk5, wks, wku
WK1 related links:
WK1 related extensions:
Comma-Delimited ASCII File

Comma-Separated Values

ClarisWorks Document

Data Interchange Format

Microsoft Word Document

Lotus Word Pro Document

Microsoft Word for Macintosh Document

Data Interchange Format

Microsoft PowerPoint Presentation

Revisable-Form Text

Other types of files may also use the .wk4 file extension.

The .wk4 file extension is often given incorrectly!

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

wke, wkt

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

OpenGIS Well-known Text File
DataFlex Index

Can't open a .wk4 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 .wk4 file association, check the FAQ.

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 .wk4 file extension, write to us!

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