Please choose the correct ending to complete the given sentence: Computers and Electronics: [header] How to decide when to save documents in pdf (acrobat) format [title] Review the reasons why some of your print-ready files will benefit when saved in pdf format. [substeps] Pdf creation programs give your sensitive documents added security in that the recipient cannot change the wording. Emailed documents will not rearrange in cyberspace if saved to pdf format.

Ending1: Any computer user can open a pdf document using a free, easily downloaded reader such as adobe acrobat. [title] Decide which documents need to be protected through pdf format and why. Ending2: [title] Choose an email address and password set to 1 of two. [substeps] Emails to pdf users will contain the same password. Ending3: Unencrypted documents cannot be saved in pdf format and do not generally benefit from being saved as pdf format. Pdf format is non-encrypted and contains free pdf files. Ending4: User files were never saved in pdf format. Certain windows libraries would also save a pdf file to pdf format.

Answer format: ending1/ending2/ending3/ending4