1. "323" "h.323 internet 电话技术"
2. "386" "虚拟设备驱动程序"
3. "aca" "microsoft agent character file (http format)"
4. "acf" "microsoft agent character file (http format)"
5. "acg" "microsoft agent 预览文件" 6. "acl" "自动更正列表文件"
7. "acs" "microsoft agent character file"
8. "acw" "辅助功能向导设置"
9. "ade" "microsoft access 项目扩展"
10. "adn" "microsoft access 空白项目模板"
11. "adp" "microsoft access 项目"
13. "aifc" "aiff 格式声音"
14. "aiff" "aiff 格式声音"
15. "ani" "动画光标"
17. "asd" "asf stream description file"
18. "asf" "windows media 音频/视频文件"
19. "asp" "活动服务器文档"
20. "asx" "windows media 音频/视频快捷方式" 21. "au" "au 格式声音"
22. "audiocd" "audiocd"
23. "avi" "视频剪辑"
24. "aw" "应答向导文件"
25. "bkf" "windows 备份文件"
26. "blg" "性能监视器文件"
27. "bmp" "bmp 图像"
28. "cat" "安全编录"
29. "cda" "cd 音频曲目"
30. "cdf" "频道文件"
31. "cdx" "活动服务器文档"
32. "cer" "安全证书"
33. "chk" "还原了文件碎片"
34. "chm" "已编译的 html 帮助文件"
35. "clp" "剪贴板剪贴"
36. "cnf" "快速拨号"
37. "col" "html 帮助文件"
38. "cpl" "控制面板扩展"
39. "crl" "证书吊销列表"
40. "crt" "安全证书"
41. "css" "级联样式表文档"
42. "csv" "microsoft excel 逗号分隔值文件"
43. "cur" "光标"
44. "db" "数据库文件"
45. "dcs" "数据库内容源"
46. "der" "安全证书"
47. "desklink" "desklink 文件"
48. "det" "office data file"
49. "dib" "bmp 图像"
50. "dic" "文本文档"
51. "dif" "microsoft excel 数据交换格式"
52. "doc" "microsoft word 文档"
53. "dochtml" "microsoft word html 文档"
54. "docmhtml" "docmhtml 文件"
55. "dot" "microsoft word 模板"
56. "dothtml" "microsoft word html 模板"
57. "dqy" "microsoft excel odbc 查询文件"
58. "drv" "设备驱动程序"
59. "dsn" "数据源名称"
60. "dun" "拨号网络文件"
61. "dvd" "dvd"
62. "ecs" "exchange server 内容源"
63. "elm" "microsoft office 主题文件"
64. "emf" "emf 图像"
65. "eml" "outlook express 邮件消息"
66. "exc" "文本文档"
67. "fad" "office 数据文件"
68. "fav" "fav 文件"
69. "fcs" "文件共享内容源"
70. "ffa" "文件检索索引"
71. "ffl" "文件检索索引"
72. "fft" "文件检索索引"
73. "ffx" "文件检索索引"
74. "fon" "字体文件"
75. "fpdoclib" "microsoft frontpage document library"
76"fphomeop" microsoft frontpage home page
open"
77. "fphomepg" "microsoft frontpage 主页"
78. "fphtml""microsoft frontpage html 文档"
79. "fplist" "microsoft frontpage list"
80. "fpnopub" "microsoft frontpage dont publish"
81. "fpopen" "microsoft frontpage 打开文件"
82. "fpsurvey" "microsoft frontpage survey"
83. "fpweb" "fpweb 文件"
84. "frg" "frg 文件"
85. "gif" "gif 图像"
86. "gra" "microsoft graph 图表"
87. "grp" "microsoft 程序组"
88. "hlp" "帮助文件"
89. "hol" "microsoft outlook holidays"
90. "ht" "超级终端文件"
91. "hta" "html application"
92. "htc" "htc 文件"
93. "htm" "html document"
94. "html" "html document"
95. "htt" "hypertext 模板"
96. "htx""用于 internet 数据库的 html 模板"
97. "icc" "icc 配置文件"
98. "icm" "icc 配置文件"
99. "ico" "图标"
100. "ics" "icalendar 文件"
101. "idc" "idc 文件"
102. "iii" "intel iphone 兼容"
103. "inf" "安装信息"
104. "ini" "配置设置"
105. "ins" "internet 通讯设置"
106. "iqy" "microsoft excel web 查询文件"
107. "isp" "internet 通讯设置"
108. "its" "internet document set"
109. "itss" "microsoft infotech storage system file"
110. "ivf" "indeo 视频文件"
111. "jfif" "jpeg 图像"
112. "job" "任务对象"
113. "jod" "microsoft.jet.oledb.4.0"
114. "jpe" "jpeg 图像"
115. "jpeg" "jpeg 图像"
116. "jpg" "jpeg 图像"
117. "js" "jscript script file"
118. "jse" "jscript encoded script file"
119. "ldb" "microsoft access 记录锁定信息"
120. "lex" "词典文件"
121. "log" "文本文档"
122"lwv" microsoft linguistically enhanced sound file"
123. "m1v" "电影文件(mpeg)"
124. "m3u" "m3u 文件"
125. "mad" "microsoft access 模块快捷方式"
126. "maf" "microsoft access 窗体快捷方式"
127. "mag" "microsoft access 图表快捷方式"
128. "mam" "microsoft access 宏快捷方式"
129. "mapimail" "mapimail 文件"
130. "maq" "microsoft access 查询快捷方式"
131. "mar" "microsoft access 报表快捷方式"
132. "mas"microsoft access 存储过程快捷方式"
133. "mat" "microsoft access 表快捷方式"
134. "mau" "mau 文件"
135. "mav" "microsoft access 视图快捷方式"
136"maw"microsoft access 数据访问页快捷方式"
137. "mda" "microsoft access 加载项"
138. "mdb" "microsoft access 应用程序"
139. "mdbhtml" "microsoft access html 文档"
140. "mde" "microsoft access mde 数据库"
141. "mdn""microsoft access 空白数据库模板"
142. "mdt" "microsoft access 加载项数据"
143. "mdw" "microsoft access 工作组信息"
144. "mdz""microsoft access 数据库向导模板"
145. "mgc" "媒体目录文件"
146. "mht" "mhtml document"
147. "mhtml" "mhtml document"
148. "mid" "midi 序列"
149
. "midi" "midi 序列"
150. "mml" "媒体目录文件"
151. "mmm" "媒体剪辑"
152. "mmw" "媒体目录文件"
153. "mp2" "电影文件(mpeg)"
154. "mp2v" "电影文件(mpeg)"
155. "mp3" "mp3 格式声音"
156. "mpa" "电影文件(mpeg)"
157. "mpe" "电影文件(mpeg)"
158. "mpeg" "电影文件(mpeg)"
159. "mpf" "media package 文件"
160. "mpg" "电影文件(mpeg)"
161. "mpv2" "电影文件(mpeg)"
162. "msc" "microsoft 通用管理文档"
163. "msg" "outlook 项目"
164. "msi" "windows installer 软件包"
165. "msp" "windows installer 修补程序"
166. "msrcincident" "microsoft 远程访问事件"
167. "msstyles" "windows 可视化风格文件"
168. "mswmm" "windows movie maker 项目"
169. "ncs" "lotus notes 内容源"
170. "nfo" "msinfo 文档"
171. "nick" "office 数据文件"
172. "nk2" "office 数据文件"
173."nmw""microsoft netmeeting t126 兼容白板文档"
174. "nws" "outlook express 新闻消息"
175. "obd" "obd 文件"
176. "obt" "obt 文件"
177. "obz" "obz 文件"
178. "ocx" "activex 控件"
179. "odc" "microsoft office 数据连接"
180. "odccubefile" "odccubefile 文件"
181. "odcdatabasefile" "odcdatabasefile 文件"
182. "odcnewfile" "odcnewfile 文件"
183. "odctablefile" "odctablefile 文件"
184. "oft" "outlook 项目模板"
185. "opc" "microsoft 清理向导文件"
186. "ops" "office 10 设置文件"
187. "oqy" "microsoft excel olap 查询文件"
188. "oss" "office 搜索"
189. "ost" "office 数据文件"
190. "otf" "opentype 字体文件"
191. "p10" "证书申请"
192. "p12" "personal information exchange"
193. "p7b" "pkcs #7 证书"
194. "p7c" "数字标识文件"
195. "p7m" "pkcs #7 mime 消息"
196. "p7r" "pkcs #7 证书"
197. "p7s" "pkcs #7 签名"
198. "pab" "office 数据文件"
199. "pbk" "拨号电话簿"
200. "pcb" "pcb 文件"
201. "pcd" "photo cd 图像"
202. "pcx" "pcx 图像"
203. "pfm" "type 1 字体文件"
204. "pfx" "personal information exchange"
205. "pip" "microsoft office 设置文件"
206. "pko" "公钥安全对象"
207. "pma" "性能监视器文件"
208. "pmc" "性能监视器文件"
209. "pml" "性能监视器文件"
210. "pmr" "性能监视器文件"
211. "pmw" "性能监视器文件"
212. "png" "png 图像"
213. "pot" "microsoft powerpoint 模板"
214. "pothtml" "microsoft powerpoint html 模板"
215. "ppa" "microsoft powerpoint 加载项"
216. "pps" "microsoft powerpoint 幻灯片放映"
217. "ppt" "microsoft powerpoint 演示文稿"
218. "ppthtml" "microsoft powerpoint html 文档"
219. "pptmhtml" "pptmhtml 文件"
220. "prf" "msrating.dll,-3001"
221. "pst" "office
数据文件"
222. "psw" "password backup"
223. "pwz" "microsoft powerpoint 向导"
224. "qds" "目录查询"
225. "rat" "msrating.dll,-3000"
226. "rdp" "远程桌面连接"
227. "reg" "注册表项"
228. "rmi" "midi 序列"
229. "rnk" "拨号快捷方式"
230. "rqy" "microsoft excel ole db 查询文件"
231. "rtf" "rtf 格式"
232. "rwz" "office 数据文件"
233. "sc2" "microsoft schedule+ 应用程序"
234. "scd" "microsoft schedule+ 应用程序"
235. "sch" "microsoft schedule+ 应用程序"
236. "scp" "文本文档"
237. "sct" "windows script component"
238. "sdb" "appfix 软件包"
239. "shb" "将快捷方式插入到文档"
240. "shs" "片段对象"
241. "shtm" "html document"
242. "shtml" "html document"
243. "slk" "microsoft excel slk 数据导入格式"
244. "sll" "sll 文件"
245. "snd" "au 格式声音"
246. "snp" "snapshot 文件"
247. "spc" "pkcs #7 证书"
248. "spl" "shockwave flash object"
249. "sst" "microsoft 系列证书存储"
250. "stf" "microsoft 安装文件"
251. "stl" "证书信任列表"
252. "stm" "html document"
253. "swf" "shockwave flash object"
254. "sys" "系统文件"
255. "tcs" "tahoe server 内容源"
256. "theme" "windows 主题文件"
257. "tif" "tif 图像"
258. "tiff" "tif 图像"
259. "ttc" "truetype collection 字体文件"
260. "ttf" "truetype 字体文件"
261. "txt" "文本文档"
262. "udl" "microsoft 数据链接"
263. "uls" "internet 定位服务"
264. "url" "internet 快捷方式"
265. "vbe" "vbscript encoded script file"
266. "vbs" "vbscript script file"
267. "vcf" "vcard 文件"
268. "vcs" "vcalendar 文件"
269. "vxd" "虚拟设备驱动程序"
270. "wab" "数字标识文件"
271. "wav" "波形声音"
272. "wax" "windows media 音频快捷方式"
273. "wbk" "microsoft word 备份文档"
274. "wcs" "web 站点内容源"
275. "web" "office 数据文件"
276. "webpnp" "webpnp"
277. "wht" "microsoft netmeeting 旧白板文档"
278. "wiz" "microsoft word 向导"
279. "wizhtml" "microsoft access html 模板"
280. "wll" "wll 文件"
281. "wm" "windows media 音频/视频文件"
282. "wma" "windows media 音频文件"
283. "wmd" "windows media player 下载软件包"
284. "wmf" "wmf 图像"
285. "wmp" "windows media player 文件"
286. "wms" "windows media player 外观文件"
287. "wmv" "windows media 音频/视频文件"
288. "wmx" "windows media 音频/视频快捷方式"
289. "wmz" "windows media player 外观程序包"
290. "wps" "wps 文件"
291. "wri" "?
★常见的文件后缀名
.acf：系统管理配置
.
acm：音频压缩管理
驱动程序，为windows系统提供各种声音格式的编码和解码功能
.aif：声音文件，支持压缩，可以使用windows media player和quicktime player播放
.aif：音频文件，使用windows media player播放
.aifc：音频文件，使用windows media player播放
.aiff：音频文件，使用windows media player播放
.ani：动画光标文件扩展名，例如动画沙漏。
.ans：ascii字符图形动画文件
.arc：一种较早的压缩文件，可以使用winzip,winrar,pkarc等软件打开
.arj：压缩文件。可以使用winzip,winrar,pkarc等软件打开
.asf：微软的媒体播放器支持的视频流，可以使用windows media player播放
.
asp：微软的视频流文件，可以使用windows media player打开
.asp：微软提出的active server page，是服务器端脚本，常用于大型网站开发，支持数据库连接，类似php。可以使用visual interdev编写，是目前的大热门
.asx：windows media 媒体文件的快捷方式
.au：是internet中常用的声音文件格式，多由sun工作站创建，可使用软件waveform hold and modify 播放。netscape navigator中的liveaudio也可以播放.au文件
.avi：一种使用microsoft riff规范的windows多媒体文件格式，用于存储声音和移动的图片
.bak：备份文件，一般是被自动或是通过命令创建的辅助文件，它包含某个文件的最近一个版本，并且具有于该文件相同的文件名
.bas basic：语言源程序文件，可编译成可执行文件，目前使用basic开发系统的是visual basic
msinfo
.bat：批处理文件，在ms-dos中，.bat文件是可执行文件，有一系列命令构成，其中可以包含对其他程序的调用
.bbs：电子告示板系统文章信息文件
.bfc：windows的公文包文件
.bin：二进制文件，其用途依系统或应用而定
.bmp：bitmap位图文件，这是微软公司开发paint的自身格式，可以被多种windows和windows nt平台及许多应用程序支持，支持32位颜，用于为windows界面创建图标的资源文件格式。
.c：c语言源程序文件，在c语言编译程序下编译使用
.cab：microsoft制订的压缩包格式，常用于软件的安装程序，使用windows自带的实用程序，可以对其解压缩，winzip,winrar等都支持这种格式
.cal：windows 中的日历文件
.cdf：internet explorer的频道文件
.cdr：coreldraw中的一种图形文件格式，它是所有coreldraw应用程序中均能够使用的一种图形图像文件格式
.cdx：索引文件，存在于dbase,foxbase,foxpro系统软件环境下
.
cfg：配置文件，系统或应用软件用于进行配置自己功能，特性的文件
.chm：编译过后的html文件，常用于制作帮助文件和电子文档
.clp：在windows下剪贴板中的文件格式
.cmd：用于windows nt/2000的批处理文件，其实与bat文件功能相同，只是为了与dos/windows 9x
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