Notes about the SKCARD 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 SKCARD file type is primarily associated with 'SideKick for Windows'. Now a discoutinued product of Starfish which has been consolidated into Intellisync Corporation. The FAQ that Starfish maintained apparently was not transferred to the Intellisync knowledgebase. Tek-Tips, however, has pointers to other resources.
Detailed information for file extension SKCARD:
Primary association: SideKick for Windows
Program ID: ISidekick.skcard
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.
To view technical data on file-extension SKCARD click this link
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System Info for File Extension .SKCARD
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: ISidekick.skcard, FileType: Sidekick File, AppName: Sidekick 98
EXEFile: %ProgramFiles%\Starfish\Sidekick 98\PROGRAM\SIDEKICK.EXE %1