Skip to main content
OCLC Support

Sign in to services

Find sign-in links to administrative interfaces and to the online service center.

Sign-in links for product interfaces

CatExpress Sign in to CatExpress with your 9-digit authorization to use the web-based copy cataloging service.
Connexion Sign in to Connexion browser with your 9-digit authorization to use the full cataloging service.
WorldCat Discovery

To visit your URL, replace yourlibrary with your library's identifier: https://yourlibrary.on.worldcat.org

Or, for staff with staff sign in accounts, sign in with your OCLC Services account by clicking the product name on the right side of the page. Note that once you are redirected to your Discovery interface, you might need to click Sign in at the top of the screen.

Configure administrative settings in OCLC Service Configuration and in the WorldShare interface.

FirstSearch and FirstSearch administrative module Sign in to configure administrative settings.

OCLC Policies Directory

Configure deflection policies and other lending policies for WorldShare ILL and Tipasa libraries.

Sign in to the OCLC Policies Directory.

Or sign in with your OCLC Services account by clicking the product name on the right side of the page.

OCLC Service Configuration

Configure administrative settings for multiple products and services. Includes WorldCat registry settings.

See the OCLC Service Configuration guide for help.

OCLC Usage Statistics Use this portal to view, export, or get emailed reports about your usage of OCLC services.
PiCarta Sign in to PiCarta, the portal to the NCC, the Dutch Union Catalogue and to other databases.
QuestionPoint Logon Logon to provide reference services to library patrons.
WebDewey Sign in for Web access to the Dewey Decimal Classification (DDC) System.
WorldCat.org Visit WorldCat.org or go to your library's URL. Configure administrative settings in OCLC Service Configuration.
WorldShare interface

Sign in at your institution's URL. Replace yourlibrary with your library's identifier:
https://yourlibrary.share.worldcat.org/wms

Or sign in with your OCLC Services account by clicking the product name on the right side of the page.

See Manage your WorldShare account for more information such as how to find a forgotten WorldShare URL and how to manage staff accounts.

Online Service Center

Sign in
  • Online Service Center (OSC) - Sign in to the Online Service Center. The OCLC Online Service Center allows you, as a registered user, to manage information related to yourself and your institution. You can:

View billing information, invoices, and statements
View subscription information
View a list of your 9-digit service authorizations
View a list of staff members OCLC has on file
Add and view service requests

Manage authorizations

To view a list of your Authorizations, sign in to the Online Service Center (OSC). Navigate to Manage my institution account and select Authorizations.

To add, change, or delete authorizations or user names, follow the instructions for your service:

 

Community Center

  • OCLC Community Center - Visit the OCLC Community Center to join discussions with peers. Sign in with your OCLC Services account and your institution's OCLC symbol.

Internet lists and listserv subscriptions

  • Internet List Subscription Request - Subscribe to (or unsubscribe from) OCLC distribution and discussion lists by entering your information in the Internet List Subscription Request form.
  • RSS feeds - Find RSS feeds that OCLC offers.