Netscape Communicator AIM data
File type: Various data file
An ocm file extension is used by Netscape Communicator, an obsolete Internet software suite. An ocm file stores AIM-related data used by the suite.
Found 2 different file type records with the same ocm filename suffix.
File type category:
Various data file
Date updated: October 12, 2026
Record marked as obsolete and not updated for a long time.
The ocm file extension is associated with Netscape Communicator, a suite from Netscape that included the Netscape Navigator web browser, an e-mail client and chat features. The file contains data related to AIM, America Online's instant messaging service.
Netscape Communicator and its Windows software are obsolete, so the format is no longer in common use. Mozilla SeaMonkey is an indirect successor to the Netscape Internet suite, but it does not generally use Netscape Communicator ocm files.
The relevant software for opening this file is the original Netscape Communicator software for Microsoft Windows. Because the software is obsolete, contemporary applications may not support opening the file.
There is no known standard converter for Netscape Communicator ocm files. If the original software can still access the data, use any available in-application export option; otherwise, retain the file with the associated Netscape Communicator data.
Software applications that handle other tasks involving ocm files:
Microsoft Windows
File type category:
Various data file
Date updated: October 12, 2026
The ocm file extension is associated with AOL Advertising, an online advertising service used for advertising across brands available through the AOL Huffington Post Media Group.
An ocm file stores advertising control data used by AOL Instant Messenger. It is a supporting data file rather than a document intended for direct editing.
AIM for Microsoft Windows and the associated AOL advertising services are discontinued, so the format is no longer normally created or used.
An ocm file is intended for use by AOL Instant Messenger (AIM) on Microsoft Windows. It is not normally opened directly.
Because AIM has been discontinued, current Windows software generally cannot use this file. An older AIM installation may read the file from its original location.
There is no practical general-purpose conversion for an ocm file. It contains AOL advertising control data rather than user documents or media, and no standard export format is available.
Keep the original file if its associated AIM installation is needed for archival purposes.
Software applications that handle other tasks involving ocm files:
Microsoft Windows