Details of extension .123
Below, you can find answers to the following questions:
- What is the .123 file?
- Which program can create the .123 file?
- Where can you find a description of the .123 format?
- What can convert .123 files to a different format?
- Which MIME-type is associated with the .123 extension?
1 extension(s) and 0 alias(es) in our database
Lotus 123 Spreadsheet
Other types of files may also use the .123 file extension. If you have helpful information about .123 extension, write to us!
The .123 filename extension is often given incorrectly!
According to the searches on our site, these misspellings were the most common in the past year:
Can't open a .123 file?
If you want to open a .123 file on your computer, you just need to have the appropriate program installed. If the .123 association isn't set correctly, you may receive the following error message:
Windows can't open this file:
To open this file, Windows needs to know what program you want to use to open it. Windows can go online to look it up automatically, or you can manually select from a list of programs that are installed on your computer.
If you don't know how to set the .123 file association, check the FAQ.
Supported operating systems
Windows Server 2003/2008/2012, Windows 7, Windows 8, Linux, FreeBSD, NetBSD, OpenBSD, Mac OS X, iOS, Android