The search does not seem to search the contents of attachments
Posted by Daniel Weuthen on 31 Jul 2017 12:02

Problem: The search does not seem to search the contents of attachments.

This problem could be for several reasons, the most common are listed here.

Cause 1: Indexing the contents of file attachments slows down the archiving process and increases the size of the search indexes significantly. Because of this, the contents of file attachments are not indexed in the standard configuration.

Solution: Enable indexing of file attachments. How to enable indexing of file attachments is described in the manual chapter Search_Indexes.

Cause 2: Everything was set up correctly, but still text within archived file attachments cannot be found.

Solution: Before MailStore Version 10.1 only the first 10,000 words of a message were indexed overall. When multiple attachments were present, a maximum of 10,000 words was indexed. Of course the messages and attachments were archived completely. If a keyword was not present in the first 10,000 words, the message was not found when searching for the keyword. The archive indexes have to be rebuilt to fix this issue.

Another reason could be that MailStore Server was unable to read the corresponding file because no IFilter driver was available or because the file was DRM protected (copy protection), for example.

Cause 3: Everything was set up correctly, but still text within archived email file attachments (e.g. an attached EML file) cannot be found if MailStore was installed on a 64-bit operating system. What could be the reason?

Solution: A problem with a IFilter driver exists. A possible solution is described under 

The MailStore search indices have to be rebuilt after this fix has been applied. The problem exists in all 64 bit operating systems since Windows 7 and also when Windows Live Mail is not installed or used.

(1 vote(s))
Not helpful

Remote Support

Please download this TeamViewer client in order to allow the MailStore support team a one-time only access to your system.

Got Premium Support?

If your MailStore Server license includes Premium Support or you are using the MailStore Service Provider Edition, you are entitled to get in touch with our support team directly via phone.


+49 2162-5029912

Phone (USA)