Stellar OST Viewer是一款免费软件，用于查看和扫描Outlook OST文件并恢复或重新获得对无法访问的电子邮件和数据的访问权限。OST或脱机存储表(Offline Storage Table)是Microsoft Exchange Server使用的(Microsoft Exchange Server)Outlook数据文件。该文件包含所有用户邮件项目，用户可以在没有与Exchange Server连接的情况下访问这些项目。一旦与Exchange Server建立连接，对邮件文件夹所做的(Exchange Server)任何(Any)更改都会与Exchange Server同步。
OST文件充当要存储在用户计算机上的邮件数据的本地副本。但是，无法单独打开附加到邮件帐户配置的OST文件。(OST)这就需要在Exchange失败时查看OST文件内容。
还有其他各种需要查看OST文件的情况。其中一些在下面提到。
- 如果Exchange Server因维护而停机
- 当Exchange Server意外崩溃时
- 电子邮件(Email)数据被意外从服务器中删除(Server)
为了查看OST文件内容，您需要有一个专业的工具。微软(Microsoft)没有提供这样的内部机制或任何解决方案，可以让您直接查看OST文件数据。在众多可用的专业工具中，Stellar OST Viewer可以说是最好的免费工具之一。它是一个免费实用程序，可让您查看Outlook OST文件中存在的邮件项目。
适用于Windows 11/10的Stellar OST 查看器(OST Viewer)
Stellar OST Viewer是一个非常简单易用的工具。安装软件非常简单，只需几个步骤即可。
这个怎么运作
Stellar OST Viewer是一款功能强大的工具，可以以简单无忧的方式进行操作。
界面
安装软件后，软件界面一目了然。该软件简单易用的界面让我有足够的信心自行使用该软件，无需寻求任何进一步的帮助。当我启动软件时，软件的主界面如图所示。
选择 OST 文件
该软件允许我通过“选择 Outlook 邮箱”对话框选择一个OST文件，该对话框在我启动该软件后立即弹出。(OST)该软件有两个选项：选择OST File和Find OST File。当OST(OST)文件位置已知时，使用“选择OST 文件(OST File)”选项。但是，我选择了“查找 OST 文件(Find OST File)”选项，因为我不知道OST文件的位置。
搜索 OST 文件
“查找OST 文件(File)”选项帮助我从系统中搜索OST文件。“查找邮箱”向导有一个选项可以提及要搜索的驱动器和文件类型。在提到要搜索的驱动器和文件类型后，我单击“开始”按钮以允许软件扫描所选驱动器的文件夹和子文件夹以搜索OST文件。
查看 OST 文件
该界面在“选择 Outlook(Select Outlook)邮箱”对话框中有一个“查看”按钮，用于查看所选OST文件的文件内容。
邮件项目预览
该软件以在MS Outlook(MS Outlook)中看到的方式提供邮件项目的预览。随着OST文件的扫描，收件箱(Inbox)、草稿(Drafts)、已发送邮件(Sent Items)、联系人(Contacts)、日历(Calendar)等邮件文件夹将列在界面的左侧窗格中。
为了查看每个文件夹中的邮件项目，我必须单击每个文件夹，这会在同一界面的中间窗格中显示包含的邮件项目。我进一步单击了中间窗格中的邮件项目，以在界面右侧预览所选邮件项目。如图所示，特定邮件项目的预览包括“主题”、“发件人”、“收件人”和“抄送”字段。
您还可以使用工具栏中的“查找邮件”选项来搜索任何特定的邮件项目。(You can also use the ‘Find Message’ option in the toolbar to search for any particular mail items.)
以多种格式保存邮件
该软件允许以任何给定的文件格式保存查看的邮件项目：MSG、EML、RTF、HTML和PDF。一旦我预览了邮件项目，我只需右键单击扫描的邮件项目以将它们保存为任何给定的文件格式。我通过选择“另存(Save)为MSG ”选项来选择以MSG格式保存邮件项目。通过这种方式，我能够将扫描的邮件项目保存为MSG文件格式。从安装到最后一步，该软件非常容易操作，无忧无虑。
特征
Stellar OST Viewer是一个完整的实用程序，用于在服务器停机或任何其他情况下查看OST文件数据。(OST)该软件允许您扫描甚至损坏的OST文件并重新获得无法访问的邮件项目，如电子邮件、联系人、日历、笔记、任务等。在使用此工具时，它允许我在扫描后搜索特定的邮件项目并支持各种格式如EML、MSG、RTF、HTML和PDF来保存扫描的邮件项目。
显示 Outlook 文件内容
Stellar OST Viewer软件扫描OST文件并列出其所有内容。使用此功能，您可以查看原始格式的电子邮件、联系人、日历和其他邮件项目。
搜索 OST
该软件允许您使用简单的搜索功能搜索OST文件。如果您知道位置，您可以使用“查找(Find) OST文件”选项来查找OST文件或“选择 OST 文件”选项。(Select OST File)
高级扫描选项
深度扫描选项由软件使用的高级算法提供支持，该算法扫描OST文件并显示其所有内容，而不会干扰文件夹层次结构。
提供邮件项目的预览
软件支持邮件扫描后预览。任何电子邮件的预览包括“邮件正文”、“主题行”、“发件人”、“收件人”、“抄送”、“密件抄送”等字段。
支持EML/MSG/RTF/HTML/PDF Format
扫描OST文件后，该工具允许您以多种格式保存扫描的项目，例如EML、MSG、RTF、HTML和PDF格式。
多样化的兼容性
该软件支持各种最新版本的Windows操作系统和Microsoft Outlook版本。
系统要求
任何具有以下要求的系统均可用于安装该软件。
- 处理器：奔腾级
- 内存：1 GB
- 硬盘：100 MB 可用空间
- 操作系统：Windows 8、Windows 7、Windows Vista和Windows XP
安装后，该软件可以使用其所有功能。
结论
Stellar OST Viewer无疑是在所有其他适用于Windows的可用专业软件中查看OST文件的最佳免费软件之一。该软件作为免费版本提供，并提供了OST文件查看器软件中必须具备的所有功能。此外，它在预览和保存文件时没有任何限制。该软件能够向我显示OTS文件中存在的所有邮件数据，并允许我以所需的格式保存它们。此外，该工具与各种版本的Windows兼容。
OST 查看器免费下载
该软件不需要任何许可证密钥，因为它是免费软件。它可以在供应商的官方网站上找到(official website)。
相关阅读：(Related reads:)
- Outlook收件箱修复工具
- 恒星 PST 查看器(Stellar PST Viewer)
- 如何从 Windows PC 恢复丢失或删除的数据
- 如何从 Windows PC 上的 SD 卡中恢复已删除的照片。
Free OST Viewer software for Windows PC
Stellar OST Viewer is a free software to view and scan Outlook OST files and recover or regain access to your inaccessible emails and data. OST or Offline Storage Table is an Outlook data file used by Microsoft Exchange Server. The file contains all user mail items, which can be accessed by users in the absence of the connection to the Exchange Server. Any changes made in the mail folders get synchronized with the Exchange Server as soon as the connection with the Exchange Server is established.
OST files act as a local copy of the mail data to be stored on the user’s computer. However, OST files being attached to the mail account configuration cannot be opened separately. This raises the need to view OST file content when Exchange fails.
There are various other situations where there is a need to view OST files. Some of them are mentioned below.
- In case of Exchange Server downtime due to maintenance
- When the Exchange Server has crashed unexpectedly
- Email data gets accidentally deleted from the Server
In order to view OST file content, you need to have a professional tool. There is no such internal mechanism or any solution provided by Microsoft that allows you to view OST file data directly. Out of the many professional tools available, Stellar OST Viewer is arguably one of the finest free tools. It is a free utility that lets you view mail items present in your Outlook OST file.
Stellar OST Viewer for Windows 11/10
Stellar OST Viewer is a very simple and easy-to-use tool. Installing the software is very easy, as it requires just a couple of steps to be followed.
HOW IT WORKS
Stellar OST Viewer is a powerful tool that can be operated in a simple and hassle-free way.
The Interface
Upon installing the software, the software interface was easily understandable. The simple and easy-to-use interface of the software gave me enough confidence to use the software on my own, without needing to seek any further assistance of any kind. As I launched the software, the main interface of the software looks as shown in the image.
Choose OST File
The software allowed me to select an OST file through the ‘Select Outlook Mailbox’ dialog box, which popped as soon as I launched the software. The software had two options: Select OST File and Find OST File. The ‘Select OST File’ option is used when the OST file location is known. However, I selected the ‘Find OST File’ option, as I did not know the location of my OST file.
Search OST File
The ‘Find OST File’ option helped me to search for an OST file from my system. The ‘Find Mailbox’ wizard had an option to mention the drive and file type to be searched. After mentioning the drive and file type to be searched, I clicked on the ‘Start’ button to allow the software to scan through the folders and subfolders of the selected drive to search for an OST file.
View OST File
The interface had a ‘View’ button in the ‘Select Outlook mailbox’ dialog box to view the file content of the selected OST file.
Mail Items Preview
The software provides a preview of the mail items in the way it is seen in MS Outlook. As the OST file gets scanned, the mail folders like Inbox, Drafts, Sent Items, Contacts, Calendar, etc. gets listed in the left pane of the interface.
In order to view the mail items within each folder, I had to click on each folder, which showed the contained mail item in the middle pane of the same interface. I further clicked on the mail item in the middle pane to have a preview of the selected mail items on the right side of the interface. The preview of a particular mail item included ‘Subject’, ‘From’, ‘To’, and ‘Cc’ fields, as shown in the image.
You can also use the ‘Find Message’ option in the toolbar to search for any particular mail items.
Saves Mail in Multiple Formats
The software allows saving the viewed mail items in any of the given file formats: MSG, EML, RTF, HTML, and PDF. Once I previewed the mail items, I just right-clicked on the scanned mail items to save them in any of the given file formats. I choose to save the mail items in MSG format by choosing the ‘Save as MSG’ option. In this way, I was able to save my scanned mail items in MSG file format. From the installation to the last step, the software was very easy to operate in a hassle-free manner.
FEATURES
Stellar OST Viewer is a complete utility to view OST file data in case of server downtime or any other situation. The software allows you to scan through even corrupt OST files and regain inaccessible mail items like emails, contacts, calendars, notes, tasks, etc. While working with this tool, it allowed me to search for a particular mail item after scanning and supported various formats like EML, MSG, RTF, HTML, and PDF to save the scanned mail items.
Shows Outlook File Content
Stellar OST Viewer software scans through the OST file and list all it’s content. With this feature, you can view emails, contacts, calendars, and other mail items in its original format.
Search for an OST
The software allows you to search for an OST file using the easy search feature. You can use the ‘Find OST File’ option to find an OST file or the ‘Select OST File’ option if you know the location.
Advanced Scanning Option
The deep scan option is powered by an advanced algorithm used by the software, which scans through the OST file and displays all its content without disturbing the folder hierarchy.
Provides Preview of Mail Items
The software supports the preview of the mail items after scanning. The preview of any email includes the ‘mail body’, ‘subject line’, ‘From’, ‘To’, ‘CC’, ‘BCC’, and other fields.
Supports EML/MSG/RTF/HTML/PDF Format
After scanning the OST file, the tool allows you to save the scanned items in multiple formats like EML, MSG, RTF, HTML, and PDF formats.
Diverse Compatibility
The software supports various recent versions of the Windows operating system and Microsoft Outlook versions.
System Requirements
Any system with the following requirements can be used to install the software.
- Processor: Pentium Class
- Memory: 1 GB
- Hard Disk: 100 MB of free space
- Operating System: Windows 8, Windows 7, Windows Vista and Windows XP
Once installed, the software can be used with all its features.
Conclusion
Stellar OST Viewer is undoubtedly one of the best freeware to view OST files among all the other available professional software available for Windows. The software comes as a free version and provides all the features that have to be in an OST file viewer software. In addition, it does not impose any restrictions while previewing and saving of files. The software was able to show me all the mail data present in the OTS file and allowed me to save them in the desired format. Moreover, the tool is compatible across various versions of Windows.
OST Viewer free download
The software does not require any license key since it is a freeware. It is available at the vendor’s official website.
Related reads:
- Outlook Inbox Repair Tool
- Stellar PST Viewer
- How to Recover Lost or Deleted Data from Windows PC
- How to recover deleted photos from SD cards on Windows PC.
