OST Search app is a full-text search within the textual content and metadata of OST. This app allows you to search a OST for a word or phrase using simple or complex queries.

To start searching in OST, please upload your file and our OST search engine will perform indexing it for you.
Our search engine will be opened and you will be able to perform searching in OST and view results.
You may add more files and perform search over all of them

This OST Search app demonstrates possibilities of our solutions:

OST Outlook Offline Storage File

OST or Offline Storage Files represent the user's mailbox data in offline mode on the local machine upon registration with Exchange Server using Microsoft Outlook. It is automatically created on the first use of Microsoft Outlook upon connectivity with the server. Once the file is created, the data is synchronized with the email server so that it is available offline as well in case of disconnectivity from the email server.

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How to search in OST

  • Click inside the file drop area to upload a OST file or drag & drop a OST file.
  • Once upload completes, you'll be redirected to the search application.
  • Enter your search query in the search bar.
  • Get search results by clicking the search button.
  • Add more files with "Add files" button.
  • Select added files to include them into the index and perform searches

Frequently asked questions

  • How does the online app OST Search work?

    The search is performed in two stages. First, documents are added to an index. And only then the search is performed in the index.
  • What about privacy, is it safe to use the online app OST Search?

    Access to your folder with uploaded and indexed files is only available to someone who has a link. All uploaded files are deleted from the servers after 24 hours.
  • Is an internet connection required to use the online app OST Search?

    This application is client-server. If you lose your internet connection while using the app, you won't be able to get search results.
  • Can I search on Linux, Mac OS, Android?

    You can search from any device, regardless of the operating system, that has a modern browser and an internet connection.

Other Search file formats

You can also search many other file formats. Please see the complete list below.

Viewer Annotation Conversion Comparison Signature Assembly Metadata Search Parser Watermark Editor Merger Redaction Classification Splitter Translation Unlock Protect Scanner