Convert.Guru

123 Converter

Convert 123 files online for free


Drop or upload your .123 file
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How to convert your 123 file

  1. Click the "Select File" button above, and choose your 123 file.
  2. You'll see a preview.
  3. Click the "Convert file to..." button to save your file in the format you want.

Convert 123 to another file type

The converter easily converts your 123 file to various formats—free and online. No Excel or extra software needed.

  • 123 to DWG
  • 123 to DXF
  • 123 to DGN
  • 123 to RVT
  • 123 to RFA
  • 123 to SKP
  • 123 to 3DM
  • 123 to STEP
  • 123 to IGES
  • 123 to SAT
  • 123 to X_T
  • 123 to X_B

Convert a file to 123

The converter also works in reverse, allowing you to convert your file into the 123 file type—in the best quality.

  • SLDASM to 123
  • DGN to 123
  • PRT to 123
  • IAM to 123
  • X_B to 123
  • CATPRODUCT to 123
  • SLDPRT to 123
  • RVT to 123
  • ASM to 123
  • DWG to 123
  • CATPART to 123
  • DXF to 123

About 123 files

The .123 file type is a spreadsheet file created by Lotus 1-2-3, a popular spreadsheet program from IBM. It is a proprietary format, meaning it can only be opened and edited using Lotus 1-2-3. It is not supported by any other spreadsheet program, and therefore cannot be opened or edited using other programs. There are, however, some free and easy online websites, such as Convert.Guru, that can convert .123 files to other formats, such as .xlsx, .csv, and .txt.

When converting .123 files, there are a few important considerations to keep in mind. First, the formatting of the original .123 file may not be preserved in the converted file. Additionally, some complex formulas and macros may not be converted correctly. Finally, some of the data in the original file may be lost in the conversion process.

Due to the proprietary nature of the .123 file format, conversion can be difficult and time-consuming. Additionally, the lack of support for the .123 file format in other spreadsheet programs makes it difficult to share and collaborate on .123 files. For these reasons, it is often easier and more efficient to use an online website, such as Convert.Guru, to convert .123 files to other formats.

Use Convert.Guru online viewer to open and convert your 123 file.

Similar file types are WK4, LWP, WK1, PDF, PSD, CRT, MSO, CDR, XLSX, TXT, ZIP, DAT.



The 123 Converter Story

The history of Convert.Guru began over 25 years ago in California with Tom Simondi’s file-format database. A former contributor to Space Shuttle development and a software pioneer of the 1980s, Simondi established a trusted resource for file type analysis that was even referenced by Microsoft Windows XP. Today, we use modern technology to process and convert thousands of file formats while continually improving our 123 converter.

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