off-line

offline

Not or no longer connected to an Internet network. I'll be offline for a few hours while I fly to LA. The power finally came back on in the office, but the whole building was still offline for several hours after that.
Farlex Dictionary of Idioms.

off-line

not connected to a computer, by direct connection or via the telephone system, etc. (Compare this with online.) When he's off-line he's sort of lost. The system was off-line all day, so we could get nothing done.
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.
See also:
  • offline
  • flew
  • I gotta fly
  • I‘ve gotta fly
  • I’ve got to fly
  • I've got to fly
  • take off from
  • take off from (something or some place)
  • take off from work
  • landline
References in periodicals archive
Scenarist Off-Line is used in conjunction with a full version of Scenarist NT, either locally or via a service bureau.
DAIKIN OFFERS DVD AUTHORING TOOLS AT BREAKTHROUGH PRICE
When it comes to high end workstations or high-performance, cost-effective storage for near-line and off-line storage, SATA offers what storage managers need to manage their company's information.
Is SATA ready for the enterprise?
The typical credit of off-line debit card transaction costs a supermarket operator 72 cents--at least twice the cost of payment by cheek (36 cents), on-line debit (34 cents) or food stamp coupons (35 cents).
When Paying, Paper Is Preferred
By integrating customer information gained from both on-line and off-line sources, DataInsight adds power and depth to new economy marketing campaigns.
VISTA LINE TURNS DATA INTO PERSONALIZED DIRECT RESPONSE TOOLS
But unlike traditional pressure filtration tests that require off-line diagnostic analysis, according to Hughes, a metal quality "footprint" can be defined for each foundry or product, which enables the foundryman to run within a preset molten metal cleanliness band.
To pour or not to pour: the dilemma of assessing your aluminum melt's cleanliness
So remember, before you invest in a BBS, if you don't have a good product Off-line, bringing it online won't make it any better.
The business of bulletin board systems: a BBS can enhance your current business
OLX for Windows is a QWK-compatible mail reader (a popular e-mail format for BBSs) that allows callers to read and reply to messages off-line, saving them from having to run up long-distance toll charges while they remain online.
Off-line E-mail reader helps BBS callers save money
Based on these studies and the new images, Weaver suggests that the off-line chunks were created more recently and by a force other than Jupiter's gravity.
Repaired Hubble eyes Jupiter-bound comet
The number of on- and off-line electronic databases (EDBs) for the plastics industry has increased significantly in the past five years.
Electronic databases on- and off-line at Plastics USA
It will use an off-line orienter to produce oriented films from customers' rollstock.
First toll MDO capability
Manufacturers rely on a series of destructive and non-destructive off-line statistical based tests.
Characterization and integrity testing utilizing corona beam technology
Current hardware can be utilized more efficiently as archive data is written off to removable archive media that better satisfies archive and compliance needs over time and, if desired, can be moved off-line to further reduce archive storage costs.
Data lifecycle management: hard drives are not enough
Linn says, "We do off-line programming in 99.9% of our applications.
GM's drive for flexibility: as it works to put out more and better cars and trucks--more economically--GM is seriously pursuing a manufacturing strategy in which robots play a significant part
Experts expect this trend to carry over into other grades currently produced using off-line coating.
New horizons: there is a new forecast for coated paper manufacturers--but the weather looks good