Opening a 900 File

The 900 file type is primarily associated with Tally ERP 9.

900	File extension: 900
	File type:	data file

What is a 900 file?

900 files mostly belong to Tally ERP 9.

Most *.900 files are Tally accounting data files used by Tally ERP 9. They store business information such as transactions and ledger records.
Use Tally ERP 9 to open and update these files.

Other rare uses include:

PostScript files – these files may serve for graphic output tasks and are linked to programs like Papyrus or Mastercam Mill 9.

ABK database files – these are sometimes used as backup files or for ABB robot programming.

FilExt.com tip: Check your file details to confirm its purpose. For more on Tally files, visit Tally Solutions.

Files with the extension 900 are often also jpg images or pdf documents, but zip compressed archives or medical images such as DICOM are also common. Use the Online 900 File Viewer on this page to find out the file format being used, and to view your 900 file.

How can I open a 900 file?

You need a suitable software like Tally ERP 9 to open a 900 file. Without proper software you will receive a Windows message "How do you want to open this file?" or "Windows cannot open this file" or a similar Mac/iPhone/Android alert. If you cannot open your 900 file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a 900 file directly in the browser:. Just drag the file onto this browser window and drop it.

Online 900 Text Viewer

Choose your .900 file to analyze

or drag and drop it here

Online File Viewer

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900 file extension format:

Every file has a defined file format, i.e. how the data is arranged in the file. A file format is determined by the file extension and signature, so JPEG images have the extension .jpg and the first bytes in the file are ÿØÿ. Nonetheless, different programs can utilize the same file extension to represent distinct file formats. Double-clicking on the file often results in an error when opening. So you need a detailed analysis of a file to find out the format and the associated program. Our examination of the 900 files comes to the following conclusion:

900 is a very widely used file extension. The file type mainly uses a special format. The two most common formats are as follows:

• 90% of all 900 files lack a unique signature. These files are binary files, so they do not contain text, but only cryptic characters. 900 files are between 510 bytes and 2 MB in size. The file type was developed only in the last few years. A usual file name is AddlCmp.900 or Company.900. Files like these are sometimes connected to addl, save, manager, link, stat, lang, conflicted and desktop.
• 1% of all 900 files start with the bytes n:P0900: crucial for this file format. They consist of unreadable binary data. The files are on average 360 KB in size and range from 340 KB to 610 KB. Several words can almost always be found in the files, e.g. n:P0900. An example of a file name is FILE900P.900.

All other 900 files (9%) have different formats, such as ZIP and ABK. If you want to find out which format your 900 file belongs to, just click on the button "Choose your .900 file to analyze".