how do you mass delete on lightroom?

Yes, you should keep backups of your Lightroom catalogs. Ideally, you should back up your catalogs to two different locations. This will help ensure that your data is safe in the event of a disaster.

Photos can be deleted from Lightroom in a few ways:
Select the photo(s) you want to delete and press the Delete key on your keyboard.
Go to the Photo menu at the top of the screen and select Delete.
In the Library module, click on the photo you want to delete and press the Delete key on your keyboard.

You can select multiple photos in a number of ways. On a Windows computer, you can hold down the Ctrl key and click on each photo you want to select. On a Mac, you can hold down the Command key and click on each photo you want to select. Alternatively, you can select all the photos in a folder by clicking on the “Select All” button at the top of the window.

To up a photo in Lightroom Classic, first open the photo in the Develop module. Then, use the Exposure slider to increase or decrease the exposure of the photo. You can also use the Brightness slider to adjust the overall brightness of the photo.

No, Lightroom does not delete photos from disk. It simply changes the location of the photos on your computer so that they are no longer visible in the Lightroom Library. To permanently delete photos from your computer, you will need to use a file deletion tool such as the Windows “Delete” function or the Mac “Secure Empty Trash” function.

There are a few ways to clean up your Lightroom catalog. First, you can use the “Purge Unused Photos” option to delete any photos that are not being used in any of your albums or collections. You can also use the “Clean Up Catalog” option to delete any unused develop presets, keywords, and other metadata. Finally, you can use the “Find Duplicate Photos” option to find and delete any duplicate photos in your catalog.

To select multiple photos in Lightroom on a Mac, hold down the Command key and click on each photo you want to select.

When you delete a photo from disk in Lightroom, it’s actually not deleted right away. It’s just hidden from the Library module and all other modules. If you want to permanently delete a photo, you need to use the Delete Photos button in the Library module.

To select multiple photos in Lightroom, hold down the Ctrl (Windows) or Command (Mac) key and click on the photos you want to select.

First, check how much space you’re using in the Lightroom cloud. To do this, open Lightroom and go to Preferences > Accounts. You’ll see the amount of storage used and the total available under “Storage.”
If you’re close to your limit, here are a few things you can do to free up space:
Delete old catalogs.
Delete old previews.
Delete unused Develop presets.
Delete unused Camera Raw presets.

In Lightroom CC, you can delete multiple photos by selecting them and then pressing the Delete key on your keyboard. Alternatively, you can select the photos you want to delete and then click the Trash icon at the bottom of the screen.

There are a few reasons why you might not be able to select all photos in Lightroom. One possibility is that you have hidden some photos from view, so they’re not included in the selection. To show all of your photos, go to the View menu and make sure that Show All Photos is checked.
Another possibility is that you’re trying to select too many photos at once. Lightroom can only select a maximum of 500 photos at once.

Yes, you can delete your Lightroom catalog and start over. However, you should back up your photos before doing so.

To delete before and after in Lightroom, you can use the keyboard shortcut Ctrl+Z to undo the last action, or you can use the History panel to go back to a previous state.

To delete multiple photos from a folder, select the photos you want to delete and press the delete key on your keyboard.