該OLK14MSGSource文件擴展名是被稱為這是由微軟開發的Outlook電子郵件消息數據文件。它是用於電子郵件的集中於特定的電子郵件消息的內容,並當文件的格式,在一個OLK14MSGSOURCE文件中的數據被加載。電子郵件消息內容所使用的垃圾郵件過濾器,以確定它是否進入到垃圾郵件文件夾。在OLK14MSGSource文件可以在Mac OS平台打開與Microsoft Outlook 2011。消息內容指定信息的格式,如純文本或HTML格式。作為一個經驗法則,如果一個HTML電子郵件發送,它總是包含一個純文本相當於相同的內容,使誰喜歡閱讀純文本用戶可以這樣做。用戶還可以附加格式的文檔,如電子表格,圖像或其他文件類型的消息,如果連接就可以使用壓縮大文件ZIP工具。
Microsoft Outlook is available as a part of the Microsoft Office suite, and a personal information manager from Microsoft. The present version is Microsoft Office Outlook 2010 for Windows and Microsoft Office Outlook 2011 for Mac. Although frequently used primarily as an email application, it also includes a calendar, task manager, contact manager, note taking, a journal and Web browsing. It can be utilized as a stand-alone application, or can work with Microsoft Exchange Server and Microsoft SharePoint Server for many users in an organization, such as shared mailboxes and calendars, exchange public folders, SharePoint lists and meeting schedules. There are third-party add-on applications that integrate Outlook with electronic devices such as BlackBerry mobile phones and with other software like Office & Skype Internet communication. Developers can also make their own conventional software that works with Outlook and Office components using Microsoft Visual Studio. Moreover, Windows Mobile devices can synchronize almost all Outlook data to Outlook Mobile.
Outlook Express is an email and news client that is integrated with Internet Explorer versions 4.0 through 6.0. It is also bundled with a number of versions of Microsoft Windows, from Windows 98 to Windows Server 2003, and is available for Windows 3.x, Windows NT 3.51, Windows 95 and Mac OS 9. In Windows Vista, Outlook Express was outdated by Windows Mail, then again by Windows Live Mail as separate software in Windows 7. Microsoft Entourage, sold as part of Microsoft Office for Macintosh, has changed the Macintosh version. Outlook Express is a diverse application from Microsoft Office Outlook. The two programs do not share a common codebase, but do share a common architectural philosophy. The similar names lead many people to incorrectly conclusion that Outlook Express is a stripped-down version of Microsoft Office Outlook. Outlook Express utilizes the Windows Address Book to store contact information and incorporates tightly with it. On Windows XP, it also joins together with Windows Messenger.