Code 128 Barcode Add-in is designed by OnBarcode.com to draw Code 128 barcode images for MS Excel spreadsheet.
This barcode generator is able to link barcodes to cell-contents. Besides, the generated barcode images using this add-in do comply with GS1, ISO/IEC specifications.
Code 128, also known as Barcode 128, ANSI/AIM 128, USS Code 128 is a very capable linear barcode of excellent density, high reliability.
Code 128 data character set
Code 128 barcode supports the following data characters
All 128 Full ASCII characters defined in ISO/IEC 646
Extended ASCII characters are also supported.
Code 128 Data Code Sets in Excel
Code 128 has defined the following three Code Sets in ISO specification
to encode Code 128 data message: Code Set A, Set B, Set C.
In Excel Code 128 generator, you could use barcode type Code 128 A, Code 128 B, Code 128 C to encode each Code Set.
However lots of Code 128 data will include characters from more than one Code sets. To encode these complicated data message, Excel code 128 generator provides
a simple solution for you. You could choose barcode type Code 128. The Code 128 generator in Excel will automatically encode the data message with combined
Code 128 code sets.
The Start and Stop characters for Code 128 in Excel
The barcode Code 128 defines 3 Start chars (Start A, B, C) and 1 Stop char. Using Code 128 barcode generator for Excel add-in,
you do not need keyin Code 128 start and stop chars, OnBarcode Barcode for Excel will automatically insert the right start and stop chars in the generated Code 128 barcodes.
In Excel Code 128 barcode generator software, the property "Add checksum char" under tab "1D Barcode" is not appliable for Code 128. The software will automatically
calculate and create a check digit character in code 128 barcode before the Stop character.
Create barcode Code 128 with non-printable characters in Excel
There are few control characters in ASCII and extended ASCII character set are non-printable. To create Code 128 with those non-printable chars in Excel,
you need do some extra steps.
To encode non-printable chars in Code 128 in Excel, you need get the non-printable char ASCII value or Extened ASCII value.
Then in the Code 128 Data text box, you need add chars in the following format: "~ddd". Here "ddd" is the ASCII value in 3 digits.
Here is an example to generate Code 128 barcode with data "123[CR]111" in Excel. The data "[CR]" is a character for Carriage Return, its ASCII value is 13.
Choose Barcode Type as "CODE 128"
Go to tab "1D Barcode", enable property "Apply tilde (~)"
In Data text box, key in "123~013111"
Press button Update to generate Code 128 with the above settings applied.
In generated Code 128 barcode text (Human Readable Interpretation in barcode specification) area, it will display the printable characters only.
Code 128 Barcode Image Dimension Size in Excel file using free download Excel barcode add-in
Barcode Type: choose "Code 128" (Recommended) for Code 128 with Code Sets automatically grouped,
"Code 128 A" for Code 128 with Code Set A,
"Code 128 B" for Code 128 with Code Set B,
or "Code 128 C" for Code 128 with Code Set C,
Apply tilde (~):
If it is checked, the Code 128 barcode generator software allows using the tilde character "~" to specify special characters in the Code 128 input data.
For more information, please read the details here:
How to encode barcode with non-printable characters in Excel document?
Barcode Common Settings
Code 128 Text Rendering (Human Readable Interpretation) options. You can easily apply the following Code 128 rendered text in Excel document.
Display or hide Code 128 text
Text font styles
Text font size
Margin between Code 128 text and Code 128 bar modules
Start with a new excel workbook to activate the task panel. Choose "CODE 128" that enables the encodable characters automatically to be changed from one code set to another. And type specified data. Then click "Generate" to create the corresponding Code 128 barcode image.
How to Configure Code 128 in Excel
After the generation of Code 128 images, users may move the cursor to "Barcode size" and "1D Barcode". Modulate the width, height, margins, etc. And GS1 Application Identifiers and some special characters can be encoded by checking "Apply title (~)" enables. And then click "Update".
How to Create Code 128 Barcode List in Excel
The Excel Barcode Add-In is used to create not only a single Code 128 barcode image, but also Code 128 barcode lists or tables. Select a column or row of data cells, choose "CODE 128", and then click "Generate".
How to Link Code 128 to Cell for Excel
The "Link To Cell" is a useful barcoding feature of our Excel Barcode Add-In. Open a new Excel spreadsheet to generate a Code 128 image. Then click "Link To Cell" (Undo it, click "Cancel"). Chose a cell with data, and then click "Update".
In addition, this button is also used to create dynamic Code 128 barcode images which will be automatically updated whenever the contents of cells are changed.