What is the 999 file?
The 999 file extension can be associated with several types of files. Most often, however, a file with such an extension is associated with the Sage Backup format. 999 files are supported by Windows operating systems. The 999 file is one of the Archive Files files, just like 619 of the other files found in our file information database.
A program that can open the 999 file is e.g. Sage Accpac Extended Enterprise Suite. This software was released by The Sage Group plc.
Programs, that can open .999 files
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The Sage Group plc
Sage Accpac Extended Enterprise Suite
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Windows |
How to open a .999 file?
If you have problems opening the file 999, then in most cases the problem is only the lack of the proper application installed. Select one of the programs from the list and install it on your device. The operating system should automatically associate the 999 file format with the installed program. If not, right click on your 999 file and select from the menu "Open with" . Then select the installed program and confirm the operation. Now all 999 files should automatically open with the selected program.
