.as4文件扩展名，.as4文件如何打开？

.as4

文件类型：askSam Backup File

扩展名为.as4的文件是一个备份文件。

文件说明：

Backup file created by SurfSaver, a program that saves Web pages as users surf the Internet; contains a backup of an .ASK database file; created when askSam converts an older file to a new format so that the AS4 file may be opened by older software versions.

NOTE:

AS4 files may safely be deleted if users do not intend to use older versions of askSam software..as4                                                                      

打开.as4文件

Mac OS

　

Windows

askSam Systems SurfSaver　

Linux

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来源：. as4文件