DataNumen Exchange Recovery Competitive Comparison

Note: Most of the data files for the test cases are downloadable. For some very large files, you can get it by send a request to us.
We can also provide all the detailed technology information about the tests and statistics, to make sure the comparision is fair.

DataNumen Exchange Recovery 10.0
scanpst(for Outlook 2007)
Kernel Recovery for OST 7.05.01 
Recovery ToolBox for Outlook 1.3.17.51
Stellar Phoenix Mailbox Exchange Desktop 4.5
EasyRecovery Professional 6.21
Recovery for Outlook 3.0
DiskInternals Outlook Recovery 2.4
OST2PST 2.1
Recover Data for OST to PST 3.10.1

Recovery Rate

Average Recovery Rate* 96.78% 7.72% 0.67% 0.33% 4.61% 4.56% 4.56% 51.81% 0.00% 0.00%
Case 1
(5MB corrupt OST file in Unicode format)
100.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 56.00% 0.00% 0.00%
Case 2
(50MB corrupt OST file in Unicode format)
100.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 51.40% 0.00% 0.00%
Case 3
(100MB corrupt OST file in Unicode format)
100.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 50.70% 0.00% 0.00%
Case 4
(500MB corrupt OST file in Unicode format)
100.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 49.60% 0.00% 0.00%
Case 5
(1GB corrupt OST file in Unicode format)
100.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 50.00% 0.00% 0.00%
Case 6
(2GB corrupt OST file in Unicode format)
100.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 53.80% 0.00% 0.00%
Case 7
(4GB corrupt OST file in Unicode format) Part 1 Part 2
100.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 49.40% 0.00% 0.00%
Case 8
(8GB corrupt OST file in Unicode format)
Part 1 Part 2 Part 3 Part 4 Part 5
100.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 58.00% 0.00% 0.00%
Case 9
(10GB corrupt OST file in Unicode format)
Part 1 Part 2 Part 3 Part 4 Part 5
100.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 48.60% 0.00% 0.00%
Case 10
(15GB corrupt OST file in Unicode format)
Part 1 Part 2 Part 3 Part 4 Part 5 Part 6 Part 7 Part 8
100.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 74.20% 0.00% 0.00%
Case 11
(5MB corrupt OST file in non-Unicode format)
100.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 56.80% 0.00% 0.00%
Case 12
(50MB corrupt OST file in non-Unicode format)
100.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 49.90% 0.00% 0.00%
Case 13
(100MB corrupt OST file in non-Unicode format)
100.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 50.40% 0.00% 0.00%
Case 14
(500MB corrupt OST file in non-Unicode format)
100.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 49.70% 0.00% 0.00%
Case 15
(1GB corrupt OST file in non-Unicode format)
100.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 49.40% 0.00% 0.00%
Case 16

(2GB corrupt OST file in non-Unicode format)

100.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 52.40% 0.00% 0.00%
Case 17
(4GB corrupt OST file in Unicode format)
Part 1 Part 2
100.00% 97.00% 0.00% 0.00% 42.00% 41.00% 41.00% 41.10% 0.00% 0.00%
Case 18
(4GB corrupt OST file in Unicode format)
Part 1 Part 2
96.00% 96.00% 66.00% 60.00% 95.00% 95.00% 95.00% 95.10% 0.00% 0.00%

OS Support

All versions of 32bit Windows Yes Yes 98/ME unsupported 98/Server 2008 unsupported 98/ME unsupported 98/ME/2000 unsupported 98/ME unsupported Vista unsupported Yes 98/ME unsupported
All versions of 64bit Windows Yes Yes Yes Server 2008 unsupported Yes Yes Yes Vista unsupported Yes Yes

Outlook and OST/PST Format Support

All versions of Outlook Yes Yes Yes Yes Yes Yes Yes Yes No Yes
Outlook 97-2002 non-Unicode Format OST Yes Yes Yes Yes Yes Yes Yes Yes No Yes
Outlook 2003-2010 Unicode Format OST Yes Yes Yes Yes Yes Yes Yes Yes No Yes
User can select output PST file in either non-Unicode format or Unicode format Yes No No No No No No No No No
Convert non-Unicode format OST to Unicode format PST Yes No No No No No Yes No No No
Convert Unicode format OST to non-Unicode format PST Yes No No No No No No No No No

Large OST File Support

Solve oversized 2GB OST file problem without data loss Yes No No No No No No No No No
Support OST files as large as 16777216 TB Yes No No Yes No No No No No No
split large OST file into several small files Yes No No No No No No No No No

Capabilities in Recovering Objects

Recover all types of objects in OST files, including mail messages, folders, posts, appointments, meeting requests, contacts, distribution lists, tasks, task requests, journals and notes Yes Yes Yes Yes Yes Yes Yes Yes No Yes
Recover all properties in the objects, such as subject, message body, to, from, cc, bcc, date, etc. Yes Yes cc/bcc unsupported cc/bcc unsupported bcc/date unsupported Yes Yes subject/cc/bcc unsupported No cc/bcc unsupported
Recover mail messages in plain text, RTF and HTML formats Yes Yes Yes Yes Yes Yes Yes Yes No Yes
Recover attachments, including the documents and images attached to messages and embedded in HTML bodies Yes Yes Yes Yes Yes Yes Yes Yes No No
Recover embedded objects, such as another message, Excel Worksheets, Word documents, etc. Yes Yes Embedded messages unsupported Embedded messages unsupported Embedded messages unsupported Yes Yes Yes No No
Recover deleted items, including mail messages, folders, posts, appointments, meeting requests, contacts, distribution lists, tasks, task requests, journals and notes Yes No No No Yes Yes Yes Yes No No

Other Features

Recover OST files on corrupted media, such as floppy disks, Zip disks, CDROMs, etc. Yes No No No No No No No No No
Recover a batch of OST files Yes No No No No Yes No Yes No No
Support to find and select the OST files to be repaired on the local computer Yes No No Yes Yes No No Yes No Yes
Support Windows Explorer context menu Yes No No No No No No No No No
Support drag & drop operation Yes No No Yes No Yes No No No No
Support command line (DOS prompt) parameters Yes No No No No No Yes No No No
Support 95 languages, including:
English,Bulgarian,Czech,Danish,German,Greek,Spanish,Estonian,Finnish,
French,Hungarian,Indonesian,Italian,Japanese,Korean,ithuanian,Latvian,
Norwegian,Dutch,Polish,Portuguese,Romanian,Russian,Slovak,Slovenian,
Swedish,Turkish,Ukrainian,Chinese(Simplified),Afrikaans,Albanian,
Amharic,Arabic,Armenian,Assamese,Azerbaijani,Basque,Belarusian,
Bengali,Bosnian,Catalan,Chinese(Traditional),Corsican,Croatian,Divehi,
Filipino,Frisian,Galician,Georgian,Gujarati,Hausa,Hebrew,Hindi,Icelandic,
Igbo,Irish,Kannada,Kazakh,Khmer,Kinyarwanda,Kyrgyz,Lao,
Luxembourgish,Macedonian,Malay,Malayalam,Maltese,Maori,Marathi,
Mongolian,Nepali,Oriya,Pashto,Persian,Punjabi,Sanskrit,Scottish Gaelic,
Sesotho,Serbian,Sinhala,Kiswahili,Tajik,Tamil,Tatar,Telugu,Thai,Turkmen,
Urdu,Uyghur,Uzbek,Vietnamese,Welsh,isiXhosa,Yoruba,isiZulu
Yes No No No No No No No No No