Upgrading from Lightroom 3 to Lightroom 4

1. Open LT 3
2. Lightroom > Catalog Settings . . .

1. Select Every time Lightroom exits
2. Now Quit LR 3.
3. This will force LR 3 to backup up the catalog be for you upgrade it to LR 4

1. Check that the backup is stored with your existing backups.
2. Select both boxes
3. After the process is finished LR 3 will quit.

1. Re open LR 3
2. Select All Photographs in Catalog.

File > Export as Catalog . . .

1. Clearly name the file such as: Lr3_to_Lr4
2. Navigate to your Export Folder.
3. Select the Include available previews box, not the other two.
4. Press Export Catalog.
5. When the file has been exported , quit LR 3.

1. Open LR 4 using the OPT [Alt] Key.
2. Choose Create a New Catalog.
3. Name the catalog, and place it beside your Holding and Working folders

File > Import from another catalog . . .

Navigate to the LR 3 export catalog.
Select the file.

LR 4 will now import the LR 3 catalog into it's (empty) catalog.

1. Select: Discard Upgraded Catalog After Import.
2. Select: Start Background Upgrade.

1. LR 4 will indicate the source of your imported files.
2. Select: Add new photos to catalog without moving.
3. Select Import.

When the import process is complete, you should have the same total of images i LR 4 as you had in Lr 3.