Google wants Google+ to be the home for all your photos, and it's just begun a new effort to get them there.
The new step involves an update to its earlier-era Picasa photo software, which lets OS X and Windows users edit photos and upload them to Google's Picasa Web Albums site. The update includes a utility called Google+ Auto Backup that copies photos from people's PCs to Google's newer Google+ photo service.
The software arrived offers to back up photos from various pictures folders and from cameras or memory cards connected to the computer. People have a choice of uploading the full-resolution images, which count toward Google's online storage limits, or downsampled versions a maximum of 2,048 pixels on edge, which can be stored in unlimited quantities.
The software mirrors an option already available for Android phones and for . Once your photos are at Google+, of course, you can share them with contacts on the social service and let .
Google's Picasa software and Web service live on, but they're very much in the background nowadays compared to Google+ and the Nik photo-editing software that Google acquired.and also on Android 4.4 KitKat.
According to the release notes, the new version of the Picasa software itself also increases the file-size limit from 50MB to 100MB; adds raw photo format support for new cameras; and addresses problems in image handling identified by security firm Secunia Research.