MailCloud 郵件歸檔備份服務 支援郵件附檔全文檢索功能，管理者或使用者只要於信件內文進行關鍵字搜尋，就可以同時查詢到附檔內部之關鍵字。目前附檔檢索支援以下格式：
|
Format & Lanaguage |
GBK |
BIG5 |
JP |
|
Microsoft Word 95/97/98/2000/XP/2003/2007/2010 |
○ |
○ |
○ |
|
Microsoft Excel V7/95/97/2000/XP/2003/2007/2010 |
○ |
○ |
○ |
|
Microsoft PowerPoint95/97/2000/XP/2003/2007/2010 |
○ |
○ |
○ |
|
Microsoft RTF |
○ |
○ |
○ |
|
Adobe PDF 1.0/1.1/1.2/1.3/1.4/1.5/1.6/1.7/1.8 |
○ |
○ |
○ |
|
AutoCAD R13/R14/2000/2002/2004/2006(*.dwg *.dxf) |
NA |
NA |
○ |
|
PageMaker 6.0/6.5/7.0 |
NA |
NA |
○ |
|
一太郎 5/6/7/8/9/10/11/12/13/2004/2006/Lite |
NA |
NA |
○ |
|
OASYS 5/6/7/8/2003 |
NA |
NA |
○ |
|
IGES |
NA |
NA |
○ |
|
VISIO4/5/2000/2002/2003/2004 |
NA |
○ |
○ |
|
WPS97/2000/2001/2002/2003(金山文字) |
○ |
NA |
NA |
◆ Microsoft Word v6/95/97/98/2000/Mac2001/XP/2003/2007/2010
◆ Microsoft Excel v4/v5/v7/95/97/98/2000/Mac2001/XP/2003/2007/2010
◆ Microsoft PowerPoint95/97/Mac98/2000/Mac2001/XP/2003/2007/2010
◆ Microsoft RTF 1.3/1.4/1.5
RTF
◆ Adobe PDF 1.0/1.1/1.2/1.3/1.4/1.5/1.6/1.7/1.8 PDF
◆ AutoCAD R13/LT95/R14/LT97/2000 DXF/BIN/2002/2004/2005/2006 DWG
◆ PageMaker 6.0/6.5/7.0
◆ 一太郎 v5/v6/v7/8/9/10/11/12/13/2004/2005/2006/2007
◆ OASYS 5/6/7/8/2003/Combined/Compound/Online/Separated
◆ IGES
IGS
◆ VISIO 4/5/2000/2002/2003/2004/2007
VSD
◆ WPS 97/2000/2001/2002/2003/2005
WPS
◆ Kingsoft DPS/ET 2005
請注意：即使寄件者手動變更附檔之副檔名，本系統仍可正確判斷。