Online OST Viewer
Free Online Viewer
OST
Outlook Offline Data File
An OST file is a data file created by Microsoft Outlook (2005 or later), an email client and personal information manager. It is used to store a copy of mailbox information from an Office 365, Exchange, or Outlook.com account. OST files may contain email messages, contacts, tasks, calendar data, and other account information.
OST
Outlook Offline Data File
An OST file is a data file created by Microsoft Outlook (2005 or later), an email client and personal information manager. It is used to store a copy of mailbox information from an Office 365, Exchange, or Outlook.com account. OST files may contain email messages, contacts, tasks, calendar data, and other account information.
HOW-TO VIEW DOCUMENTS
1
Sign in or Log in into conholdate.app
No credit card required. It’s free.
2
Go to your Dashboard
Dashboard link can be found at the top right corner by hovering over user icon.
3
Upload your documents
We support over 90 formats including pdf, docx, xls, ppt and images.
4
View documents
After document is processed, click on document name and document viewer will pop up.
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SUPPORTED FORMATS
BMP
Bitmap File Format
CDR
CorelDRAW Image File
CGM
Computer Graphics Metafile
CS
C# Source Code File
CSV
Comma Separated Values File
DCM
Medical image files
DGN
AutoCAD Drawing File
DIB
Device Independent Bitmap
DJVU
DjVu Image
DNG
Digital Negative Image File
DOC
Microsoft Word Document File
DOCM
Microsoft Word Document File
DOCX
Microsoft Word Open Document XML Document File
DOT
Microsoft Word Document File
DOTM
Microsoft Word Document File
DOTX
Word Open XML Document Template
DWF
Design Web Format File
DWG
AutoCAD Drawing File
DXF
AutoCAD Drawing File
EMF
Enhanced Metafile Format
EML
E-Mail Message File
EMLX
E-Mail Message File
EPS
Encapsulated PostScript File
EPUB
Electronic Publication
GIF
Graphical Interchange Format File
HTML
HyperText Markup Language
ICO
Icon File
IFC
Industry Foundation Classes File
J2C
JPEG 2000 Code Stream
J2K
JPEG 2000 Image
JP2
Joint Photographic Experts Group
JPC
JPEG 2000 Code Stream File
JPEG
Joint Photographic Experts Group
JPF
JPEG 2000 Image
JPG
Joint Photographic Experts Group
JPM
Compressed PDF File
JPX
JPEG 2000 Image File
MHT
MHTML Web Archive
MHTML
MIME Encapsulation of Aggregate HTML
MOBI
Mobipocket eBook
MPP
Microsoft Project File
MPT
Microsoft Project Template File
MSG
Microsoft Outlook Email Format
ODG
OpenDocument Graphic File
ODP
OpenDocument Presentation File Format
ODS
OpenDocument Spreadsheet
ODT
Open Document Text File Format
ONE
OneNote Document
OST
Outlook Offline Data File
OTP
OpenDocument Presentation Template
OTS
OpenDocument Spreadsheet Template
OTT
Open Document Text Template
PCL
Printer Command Language Document
PDF
Portable Document Format
PNG
Portable Network Graphic
POT
Microsoft PowerPoint Template
POTM
Microsoft PowerPoint Template
POTX
Microsoft PowerPoint Template Presentation
PPS
Microsoft PowerPoint Slide Show
PPSM
PowerPoint Open XML Macro-Enabled Slide Show
PPSX
PowerPoint Open XML Slide Show
PPT
PowerPoint Presentation
PPTM
PowerPoint Open XML Macro-Enabled
PPTX
PowerPoint Presentation
PS
PostScript File
PSD
Adobe Photoshop Document
PST
Outlook Personal Information Store File
RTF
Rich Text File Format
STL
Stereolithography File
SVG
Scalable Vector Graphics File
TEX
LaTeX Source Document
TIF
Tagged Image File
TIFF
Tagged Image File
TSV
Tab Separated Values File
TXT
Plain Text File Format
VB
Visual Basic Project Item File
VCARD
Virtual Contact File
VCF
vCard File
VDW
Visio Graphics Service
VDX
Microsoft Visio
VSD
Microsoft Visio
VSDM
Visio Macro-Enabled Drawing
VSDX
Visio Drawing
VSS
Microsoft Visio Stencil
VSSM
Visio Macro-Enabled Stencil File
VSSX
Visio Stencil File
VST
Microsoft Visio
VSTM
Visio Macro-Enabled Drawing Template
VSTX
Visio Drawing Template
VSX
Microsoft Visio
VTX
Microsoft Visio
WEBP
WebP Image
WMF
Microsoft Windows Metafile
WPD
WordPerfect Document
XLS
Microsoft Excel Binary File Format
XLSB
Excel Binary Spreadsheet
XLSM
Microsoft Excel Open XML Macro-Enabled Spreadsheet
XLSX
Microsoft Excel Open XML Spreadsheet
XLT
Microsoft Excel Binary File Format
XLTM
Microsoft Excel Binary File Format
XLTX
Excel Open XML Spreadsheet Template
XML
Extended Markup Language
XPS
Page Layout File Format