File Extension 999

.999 File

File extension: 999


Notes about the 999 file extension:



Incorrect file associations could be the result of underlying issues within your PC system. As such it is highly recommended to scan your PC for invalid registry entries, unused processes and other unfavourable system settings to identify slowdown issues.

The 999 file type is primarily associated with 'Multipass Security File'.

Detailed information for file extension 999:


Primary association: Multipass Security File

Other applications associated with file type 999:

  • Sage (Backup) by Sage SoftwareThe Sage Software family assists small and medium-sized businesses with a wide range of business management applications and services. This association is classified as Archive. The identifying characters used for this association are - Hex: 53 41 47 45 42 41 43 4B 55 50 , ASCII: SAGEBACKUP
File Identifier - TrID
'Identifying characters' used on FILExt.com are
provided by Marco Pontello from his TrID database




Important: Invalid file associations could be the result of underlying issues within your Windows PC. It is highly recommended that you scan your PC for invalid registry entries, unused processes and other slowdown issues.

Technical data

To view technical data on file-extension 999 click this link to expand/hide the additional area.

System Info for File Extension .999

The following listing is compiled from the database produced by the 'Associate This!' program, selected data from the main FILExt database and information FILExt collected directly from user systems.

ProgramID: proeFile34
EXEFile: %ProgramFiles%\ptc\proeWildfire 3.0\bin\proe.exe


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