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Outlook Express

Microsoft e-mail client software
Place proprietary_software Q850109

Facts

10 properties
Instance of
proprietary software, email client[2]
Followed by
Windows Mail[3]
Official website
support.microsoft.com[15]
Part of
Microsoft Internet Explorer 4, Internet Explorer 5, Microsoft Internet Explorer 6[11][12][13]
Has use
email client[14]
Developer
Microsoft[4]
Operating system
Windows 98, Windows 2000, Windows XP, Windows Server 2003, Windows Me[5][6][7][8][9]
Readable file format
Outlook Express Message Database, Outlook Express Folder Database, Outlook Express addressbook[16][17][18]
Software version identifier
6.0.2900.5512[10]
Writable file format
Outlook Express Message Database, Outlook Express addressbook[19][20]
🏷️ Also known as
en Internet Mail and News en Outlook Express en Microsoft Outlook Express ar مايكروسوفت أوتلوك إكسبريس cs Microsoft Windows Mail de OLEXP de OjE de Microsoft Outlook Express es Kaleido es Microsoft Outlook Express es Stationery fr Microsoft Outlook Express it Microsoft Outlook Express ja アウトルックエキスプレス ja Internet Mail and News ja Microsoft Outlook Express ja アウトルックエクスプレス ko 아웃룩 익스프레스 ko MS Outlook Express nl Microsoft Outlook Express
🔖 Identifiers · 9
VIAF cluster ID
1016154380955930290840, 163145003298261301584
Library of Congress authority ID
nb2015023992
GND ID
4532429-3
Bibliothèque nationale de France ID
135353750
Freebase ID
/m/017xdb
IdRef ID
050533134
NL CR AUT ID
ph117871
SVKKL authority ID
h0003903-Microsoft-Outlook-Express
Stack Exchange tag
stackoverflow.com

Report an error or request removal Lineage (PROV-JSON)

🔗 Connections
Instance of 2
proprietary software, email client
Developer 1
Microsoft
Followed by 1
Windows Mail
Followed by (predecessor) 1
Windows Mail
Has use 1
email client
Operating system 1
Windows Server 2003
← Used by 1
Microsoft account
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Summary

Outlook Express is a proprietary software[1].

Related Entities

Microsoft proprietary software Windows Server 2003

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [2] ↑ . wikidata.org.
  2. [3] ↑ . wikidata.org.
  3. [4] ↑ . wikidata.org.
  4. [5] ↑ . wikidata.org.
  5. [6] ↑ . wikidata.org.
  6. [7] ↑ . wikidata.org.
  7. [8] ↑ . wikidata.org.
  8. [9] ↑ . wikidata.org.
  9. [10] ↑ . wikidata.org.
  10. [11] ↑ . wikidata.org.
  11. [12] ↑ . wikidata.org.
  12. [13] ↑ . wikidata.org.
  13. [14] ↑ . wikidata.org.
  14. [15] ↑ . wikidata.org.
  15. [16] ↑ . wikidata.org.
  16. [17] ↑ . wikidata.org.
  17. [18] ↑ . wikidata.org.
  18. [19] ↑ . wikidata.org.
  19. [20] ↑ . wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). Outlook Express. Retrieved November 1, 2026, from https://4ort.xyz/entity/outlook-express
MLA “Outlook Express.” 4ort.xyz Knowledge Graph, 4ort.xyz, 1 Nov. 2026, https://4ort.xyz/entity/outlook-express.
BibTeX @misc{4ortxyz_outlook-express_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Outlook Express}}, year = {2026}, url = {https://4ort.xyz/entity/outlook-express}, note = {Accessed: 2026-11-01}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Outlook Express — https://4ort.xyz/entity/outlook-express (retrieved 2026-11-01)

Canonical URL: https://4ort.xyz/entity/outlook-express · Last refreshed:

Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

  1. 20w ago · MariuszRokin · 2026-06-12 view diff on Wikidata ↗
    Software version identifier → 6.0.2900.5512
    Part of → Microsoft Internet Explorer 4, Internet Explorer 5, Microsoft Internet Explorer 6
    SVKKL authority ID → h0003903-Microsoft-Outlook-Express
    "/* wbcreateclaim-create:1| */ SVKKL authority ID: h0003903-Microsoft-Outlook-Express, [[:toollabs:quickstatements/#/batch/259599|batch #259599]]"
  2. 24w ago · Dabao qian · 2026-05-15 view diff on Wikidata ↗
    Writable file format → Outlook Express Message Database, Outlook Express addressbook
    Developer → —
    Instance of → —
    Followed by → Windows Mail
    + 11 other properties edited (see Wikidata diff for full list)
    "/* wbremoveclaims-remove:1| */ Software version identifier: 6.0 SP3"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.