Open OAS files

  • Full name
    Microsoft Outlook Attachment Sniffer
  • Developer
    rsbr Software
Have you encountered a problem with a OAS file? Don’t you know which program opens a file with this extension? You will find all the information you need about working with a OAS file here. In the further part of this page we have added a list of programs that should open your OAS file. It is enough you choose a proper application for your operating system, download and install it.

Programs which can open a OAS file

How to open file with OAS extension?

In order to open a file with OAS extension one of the following programs must be installed on user’s system. If a problem with opening OAS file occurred, it is highly possible that none of the listed programs is present on user’s system. Even if one or more said programs are installed, there may be issues related with given programs. In order to solve a problem with OAS files, follow the instructions below.
1
Install Microsoft Outlook or other program from the list

Most often resolving problems with opening OAS files is very simple. Just install an appropriate program that supports such files. All of the listed programs support OAS files, but may vary in offered function and purpose. Some programs may be capable only of viewing contents of OAS files or offer file conversion options, but may not be capable of editing such files.

Set Microsoft Outlook as the default program for opening OAS files

It is possible that although a compatible program has been installed on user’s system, it is not used by the system to open it. This may happen because no default application was associated with this type of files. To associate OAS files with given application, select "Open with" from drop-down menu (accessed by right-clicking on the file). Then select from the list the program or application you want to be used to open this type of file. If the Microsoft Outlook applications is not on the list, select "Browse" option in order to manually locate the directory where Microsoft Outlook has been installed.

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Check the section that lists most common problems with OAS files

Sometimes problems with opening OAS files may not lie with the application itself, but can arise due to other causes, such as:

  • File data is corrupted
  • OAS files has been not been completely download from the internet (only a part of the data has been downloaded)
  • Currently used user account hasn’t been granted necessary privileges to open OAS files (should that be the case, please contact your system administrator or IT specialist)
  • OAS file was being copied from a corrupted storage device and is incomplete or data is corrupted. (Copying files from unknown or untrusted sources should be conducted with great care as such files may contain malicious software, which can damage your system)

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