How to open .123 file format?

The probably reason why you are at this website is a problem with opening .123 file. The full name of the file is Lotus 1-2-3 Spreadsheet. If the double-click on the file’s icon shows you a message that additional programs are needed to open the file, you’ll find the list of helpful programs in the bottom of the page.The developer of this format is IBM.

.123 file extension (Lotus 1-2-3 Spreadsheet)

Category Developer/Producer File description Popularity
Spreadsheet Files IBM Lotus 1-2-3 Spreadsheet
RateRateRate
Programs using this file extension: .123
ADS OS Software
Windows
Windows
  • IBM Lotus 1-2-3
  • Corel WordPerfect Office X6
  • Apache OpenOffice
  • Gnumeric
MAC OS
MAC
  • Planamesa NeoOffice
  • Apache OpenOffice
Linux
Linux
  • Apache OpenOffice
  • Gnumeric

.123 file extension (PCB123 Circuit Board Design)

Category Developer/Producer File description Popularity
CAD Files Sunstone Circuits PCB123 Circuit Board Design
RateRateRate
Programs using this file extension: .123
OS Software
Windows
Windows
  • Sunstone Circuits PCB123


The file extension .123 can be used by another programs. If you have some useful information about .123 file type that may help other users HowOpen.org, please send them to us and we’ll update our database.

Visiting our website you are probably asking yourself:
  • What application can open .123 file?
  • How to open .123 file?
  • What is .123 file?
  • How can I convert .123 file?
  • Where can I find informations about .123 file extension? (for example on the File Extension website)
We hope we have given you enough informations about this file type. Otherwise you can search some informations about .123 extension on Wikipedia.org.