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Navigation: Home > SYS file

Informations about the SYS filename extension and the file formats associated with it

We collected the information you should know about the .sys filename on this page. If you were sent a(n) .sys file in an e-mail, but you don’t know what to do with it, then you can find help here. We strive to suggest free, open-source applications that are available to everyone for the file formats.

5 filename extension(s) are in our database

.sys - Windows System Configuration

The SYS file is a Configuration file, which is connected to the Windows System Configuration according to our registry. With the adequate settings, the Windows System Configuration (.sys) files can be opened or converted with the help of Notepad.

Format description:
SYS format
Category:
Configuration
Application:
Notepad
Mime-type:
text/plain
Magic string:
- / -
Aliases:
-
Related links:
-
Related extensions:
.ames
NASA Ames Data Exchange
.apt
Nimbus 7 SAMS APRIORI Data
.bad
Microsoft Exchange Non-Delivery Report Message
.bbs
BBS Directory List
.bdp
Microsoft Exchange Non-Delivery Report Bad Mail Pointer
.bdr
Microsoft Exchange Non-Delivery Report Body

.sys - System File

The SYS file is a Other file, which is connected to the System File according to our registry. We currently can’t suggest an application for opening the System File format.

Format description:
SYS format description not yet available
Category:
Other
Application:
-
Mime-type:
application/octet-stream
Magic string:
- / -
Aliases:
-
Related links:
-
Related extensions:
.mt
MonkeyTalk Script
.mapimail
Windows Mail Recipient Shortcut
.cache
General Cache File
.p2p
FolderShare Placeholder File
.zli
ZoneAlarm MailSafe Renamed MDE File
.crdownload
Chrome Partially Downloaded File

.sys - MS-DOS System File

The SYS file is a Other file, which is connected to the MS-DOS System File according to our registry. We currently can’t suggest an application for opening the MS-DOS System File format.

Format description:
SYS format
Category:
Other
Application:
-
Mime-type:
application/octet-stream
Magic string:
- / -
Aliases:
-
Related links:
-
Related extensions:
.tbs
TuneUp Utilities Boot Screen
.trashes
Mac OS X Trash Folder
.ica
Citrix ICA Connection Extension
.log
General Log
.mwlic
MoneyWell License File
.zm9
ZoneAlarm MailSafe Renamed ZIP File

.sys - Microsoft SQL Server Data Replication System Table Data

The SYS file is a Data file, which is connected to the Microsoft SQL Server Data Replication System Table Data according to our registry. With the adequate settings, the Microsoft SQL Server Data Replication System Table Data (.sys) files can be opened or converted with the help of Microsoft SQL Server.

Format description:
SYS format
Category:
Data
Application:
Microsoft SQL Server
Mime-type:
application/octet-stream
Magic string:
- / -
Aliases:
-
Related links:
-
Related extensions:
.ahstore
Microsoft SQL Server Property Hash Store
.asstore
Microsoft SQL Server Property String Store
.astore
Microsoft SQL Server Property Main Store
.bcp
Microsoft SQL Server Data Replication Data File
.cft
Microsoft SQL Server Data Replication Conflict Tables
.ddl
Data Definition Language File

.swp - General Swap File

The SWP file is a Data file, which is connected to the General Swap File according to our registry. We currently can’t suggest an application for opening the General Swap File format.

Format description:
SWP format description not yet available
Category:
Data
Application:
-
Mime-type:
application/octet-stream
Magic string:
- / -
Aliases:
sys
Related links:
Virtual Memory
Related extensions:
.rm2
Hammer Reminders Data
.vz
VZ200 Snapshot
.wwu
Wwise Work Unit
.wab
Windows Address Book Data
.nnt
Eudora Addressbook Database
.dft
SmartWare Transact Definition File

Important! Programs other than the ones listed above may also use the .sys file extension. Even harmful programs can create files with the .sys extension to store data in them. Always be careful with .sys files coming from unknown sources. Don’t open executable files that arrived in mails, even if you know the sender.

The .sys file can’t be opened on your computer?

If the program necessary for opening the .sys file is installed properly on your computer, then the quickest and simplest way to open the .sys file is to double-click on the file’s name. If that doesn’t work, then the right software probably isn’t installed on your computer.

While opening the .sys file, you may receive an error message from the associated application, this can be caused by the following:

Incorrectly given .sys extension

The .sys filename extension can be given incorrectly sometimes. The cause of the error could be a mistake or a simple typo. We found the following incorrectly given filename extensions that are the most frequent in the case of .sys files.

zys, cys, xys, syz, syw, sy, sts, ss, shs, eys, yss, wys, syx, syc, sus

Maybe you’re not even looking for the .sys file extension?

It’s possible the the file’s extension was given incorrectly. Below, we list some filename extensions that are similar to the .sys extension. It’s possible that the one you’re looking for is among them.

.cys
Clustify Summary File
.syw
Yamaha SY Series Sample
.sts
MemMaker Status Information File
.ssy
ScreenShare Compressed Data
.cys
Cytoscape Session File
.syx
MIDI System Exclusive Message

Associated applications

The Windows operating system stores information about the applications associated to the file extensions in the registry database. The associations can be queried or modified in the Command Prompt window with the "assoc" command.

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We gladly accept application suggestions, but our primary goal is to suggest reliable, open-source applications that can be freely distributed to the users.

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